18717373908

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{239}}^1\times {\mathrm{24443}}^1$

素因数の和:24781

約数の個数: 72

約数和(自身を含む): 48047126400

約数和(自身を除く): 29329752492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 239, 267, 356, 478, 534, 717, 801, 956, 1068, 1434, 1602, 2151, 2868, 3204, 4302, 8604, 21271, 24443, 42542, 48886, 63813, 73329, 85084, 97772, 127626, 146658, 191439, 219987, 255252, 293316, 382878, 439974, 765756, 879948, 2175427, 4350854, 5841877, 6526281, 8701708, 11683754, 13052562, 17525631, 19578843, 23367508, 26105124, 35051262, 39157686, 52576893, 70102524, 78315372, 105153786, 210307572, 519927053, 1039854106, 1559781159, 2079708212, 3119562318, 4679343477, 6239124636, 9358686954, 18717373908]

約数ペア:

[(1, 18717373908), (2, 9358686954), (3, 6239124636), (4, 4679343477), (6, 3119562318), (9, 2079708212), (12, 1559781159), (18, 1039854106), (36, 519927053), (89, 210307572), (178, 105153786), (239, 78315372), (267, 70102524), (356, 52576893), (478, 39157686), (534, 35051262), (717, 26105124), (801, 23367508), (956, 19578843), (1068, 17525631), (1434, 13052562), (1602, 11683754), (2151, 8701708), (2868, 6526281), (3204, 5841877), (4302, 4350854), (8604, 2175427), (21271, 879948), (24443, 765756), (42542, 439974), (48886, 382878), (63813, 293316), (73329, 255252), (85084, 219987), (97772, 191439), (127626, 146658)]