18263960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:169

約数の個数: 128

約数和(自身を含む): 50319360

約数和(自身を除く): 32055400

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 88, 103, 104, 110, 124, 130, 143, 155, 206, 220, 248, 260, 286, 310, 341, 403, 412, 440, 515, 520, 572, 620, 682, 715, 806, 824, 1030, 1133, 1144, 1240, 1339, 1364, 1430, 1612, 1705, 2015, 2060, 2266, 2678, 2728, 2860, 3193, 3224, 3410, 4030, 4120, 4433, 4532, 5356, 5665, 5720, 6386, 6695, 6820, 8060, 8866, 9064, 10712, 11330, 12772, 13390, 13640, 14729, 15965, 16120, 17732, 22165, 22660, 25544, 26780, 29458, 31930, 35123, 35464, 41509, 44330, 45320, 53560, 58916, 63860, 70246, 73645, 83018, 88660, 117832, 127720, 140492, 147290, 166036, 175615, 177320, 207545, 280984, 294580, 332072, 351230, 415090, 456599, 589160, 702460, 830180, 913198, 1404920, 1660360, 1826396, 2282995, 3652792, 4565990, 9131980, 18263960]

約数ペア:

[(1, 18263960), (2, 9131980), (4, 4565990), (5, 3652792), (8, 2282995), (10, 1826396), (11, 1660360), (13, 1404920), (20, 913198), (22, 830180), (26, 702460), (31, 589160), (40, 456599), (44, 415090), (52, 351230), (55, 332072), (62, 294580), (65, 280984), (88, 207545), (103, 177320), (104, 175615), (110, 166036), (124, 147290), (130, 140492), (143, 127720), (155, 117832), (206, 88660), (220, 83018), (248, 73645), (260, 70246), (286, 63860), (310, 58916), (341, 53560), (403, 45320), (412, 44330), (440, 41509), (515, 35464), (520, 35123), (572, 31930), (620, 29458), (682, 26780), (715, 25544), (806, 22660), (824, 22165), (1030, 17732), (1133, 16120), (1144, 15965), (1240, 14729), (1339, 13640), (1364, 13390), (1430, 12772), (1612, 11330), (1705, 10712), (2015, 9064), (2060, 8866), (2266, 8060), (2678, 6820), (2728, 6695), (2860, 6386), (3193, 5720), (3224, 5665), (3410, 5356), (4030, 4532), (4120, 4433)]