18891502920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{45751}}^1$

素因数の和:45836

約数の個数: 192

約数和(自身を含む): 65092285440

約数和(自身を除く): 46200782520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 37, 40, 45, 60, 62, 72, 74, 90, 93, 111, 120, 124, 148, 155, 180, 185, 186, 222, 248, 279, 296, 310, 333, 360, 370, 372, 444, 465, 555, 558, 620, 666, 740, 744, 888, 930, 1110, 1116, 1147, 1240, 1332, 1395, 1480, 1665, 1860, 2220, 2232, 2294, 2664, 2790, 3330, 3441, 3720, 4440, 4588, 5580, 5735, 6660, 6882, 9176, 10323, 11160, 11470, 13320, 13764, 17205, 20646, 22940, 27528, 34410, 41292, 45751, 45880, 51615, 68820, 82584, 91502, 103230, 137253, 137640, 183004, 206460, 228755, 274506, 366008, 411759, 412920, 457510, 549012, 686265, 823518, 915020, 1098024, 1372530, 1418281, 1647036, 1692787, 1830040, 2058795, 2745060, 2836562, 3294072, 3385574, 4117590, 4254843, 5078361, 5490120, 5673124, 6771148, 7091405, 8235180, 8463935, 8509686, 10156722, 11346248, 12764529, 13542296, 14182810, 15235083, 16470360, 16927870, 17019372, 20313444, 21274215, 25391805, 25529058, 28365620, 30470166, 33855740, 34038744, 40626888, 42548430, 50783610, 51058116, 52476397, 56731240, 60940332, 63822645, 67711480, 76175415, 85096860, 101567220, 102116232, 104952794, 121880664, 127645290, 152350830, 157429191, 170193720, 203134440, 209905588, 255290580, 262381985, 304701660, 314858382, 419811176, 472287573, 510581160, 524763970, 609403320, 629716764, 787145955, 944575146, 1049527940, 1259433528, 1574291910, 1889150292, 2099055880, 2361437865, 3148583820, 3778300584, 4722875730, 6297167640, 9445751460, 18891502920]

約数ペア:

[(1, 18891502920), (2, 9445751460), (3, 6297167640), (4, 4722875730), (5, 3778300584), (6, 3148583820), (8, 2361437865), (9, 2099055880), (10, 1889150292), (12, 1574291910), (15, 1259433528), (18, 1049527940), (20, 944575146), (24, 787145955), (30, 629716764), (31, 609403320), (36, 524763970), (37, 510581160), (40, 472287573), (45, 419811176), (60, 314858382), (62, 304701660), (72, 262381985), (74, 255290580), (90, 209905588), (93, 203134440), (111, 170193720), (120, 157429191), (124, 152350830), (148, 127645290), (155, 121880664), (180, 104952794), (185, 102116232), (186, 101567220), (222, 85096860), (248, 76175415), (279, 67711480), (296, 63822645), (310, 60940332), (333, 56731240), (360, 52476397), (370, 51058116), (372, 50783610), (444, 42548430), (465, 40626888), (555, 34038744), (558, 33855740), (620, 30470166), (666, 28365620), (740, 25529058), (744, 25391805), (888, 21274215), (930, 20313444), (1110, 17019372), (1116, 16927870), (1147, 16470360), (1240, 15235083), (1332, 14182810), (1395, 13542296), (1480, 12764529), (1665, 11346248), (1860, 10156722), (2220, 8509686), (2232, 8463935), (2294, 8235180), (2664, 7091405), (2790, 6771148), (3330, 5673124), (3441, 5490120), (3720, 5078361), (4440, 4254843), (4588, 4117590), (5580, 3385574), (5735, 3294072), (6660, 2836562), (6882, 2745060), (9176, 2058795), (10323, 1830040), (11160, 1692787), (11470, 1647036), (13320, 1418281), (13764, 1372530), (17205, 1098024), (20646, 915020), (22940, 823518), (27528, 686265), (34410, 549012), (41292, 457510), (45751, 412920), (45880, 411759), (51615, 366008), (68820, 274506), (82584, 228755), (91502, 206460), (103230, 183004), (137253, 137640)]