19528740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1409}}^1$

素因数の和:1442

約数の個数: 144

約数和(自身を含む): 73906560

約数和(自身を除く): 54377820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1409, 1540, 1980, 2310, 2772, 2818, 3465, 4227, 4620, 5636, 6930, 7045, 8454, 9863, 12681, 13860, 14090, 15499, 16908, 19726, 21135, 25362, 28180, 29589, 30998, 39452, 42270, 46497, 49315, 50724, 59178, 61996, 63405, 77495, 84540, 88767, 92994, 98630, 108493, 118356, 126810, 139491, 147945, 154990, 177534, 185988, 197260, 216986, 232485, 253620, 278982, 295890, 309980, 325479, 355068, 433972, 443835, 464970, 542465, 557964, 591780, 650958, 697455, 887670, 929940, 976437, 1084930, 1301916, 1394910, 1627395, 1775340, 1952874, 2169860, 2789820, 3254790, 3905748, 4882185, 6509580, 9764370, 19528740]

約数ペア:

[(1, 19528740), (2, 9764370), (3, 6509580), (4, 4882185), (5, 3905748), (6, 3254790), (7, 2789820), (9, 2169860), (10, 1952874), (11, 1775340), (12, 1627395), (14, 1394910), (15, 1301916), (18, 1084930), (20, 976437), (21, 929940), (22, 887670), (28, 697455), (30, 650958), (33, 591780), (35, 557964), (36, 542465), (42, 464970), (44, 443835), (45, 433972), (55, 355068), (60, 325479), (63, 309980), (66, 295890), (70, 278982), (77, 253620), (84, 232485), (90, 216986), (99, 197260), (105, 185988), (110, 177534), (126, 154990), (132, 147945), (140, 139491), (154, 126810), (165, 118356), (180, 108493), (198, 98630), (210, 92994), (220, 88767), (231, 84540), (252, 77495), (308, 63405), (315, 61996), (330, 59178), (385, 50724), (396, 49315), (420, 46497), (462, 42270), (495, 39452), (630, 30998), (660, 29589), (693, 28180), (770, 25362), (924, 21135), (990, 19726), (1155, 16908), (1260, 15499), (1386, 14090), (1409, 13860), (1540, 12681), (1980, 9863), (2310, 8454), (2772, 7045), (2818, 6930), (3465, 5636), (4227, 4620)]