18771012

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2111}}^1$

素因数の和:2153

約数の個数: 72

約数和(自身を含む): 53813760

約数和(自身を除く): 35042748

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2111, 2223, 2964, 4222, 4446, 6333, 8444, 8892, 12666, 18999, 25332, 27443, 37998, 40109, 54886, 75996, 80218, 82329, 109772, 120327, 160436, 164658, 240654, 246987, 329316, 360981, 481308, 493974, 521417, 721962, 987948, 1042834, 1443924, 1564251, 2085668, 3128502, 4692753, 6257004, 9385506, 18771012]

約数ペア:

[(1, 18771012), (2, 9385506), (3, 6257004), (4, 4692753), (6, 3128502), (9, 2085668), (12, 1564251), (13, 1443924), (18, 1042834), (19, 987948), (26, 721962), (36, 521417), (38, 493974), (39, 481308), (52, 360981), (57, 329316), (76, 246987), (78, 240654), (114, 164658), (117, 160436), (156, 120327), (171, 109772), (228, 82329), (234, 80218), (247, 75996), (342, 54886), (468, 40109), (494, 37998), (684, 27443), (741, 25332), (988, 18999), (1482, 12666), (2111, 8892), (2223, 8444), (2964, 6333), (4222, 4446)]