18795700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2441}}^1$

素因数の和:2473

約数の個数: 72

約数和(自身を含む): 50871744

約数和(自身を除く): 32076044

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 2441, 3850, 4882, 7700, 9764, 12205, 17087, 24410, 26851, 34174, 48820, 53702, 61025, 68348, 85435, 107404, 122050, 134255, 170870, 187957, 244100, 268510, 341740, 375914, 427175, 537020, 671275, 751828, 854350, 939785, 1342550, 1708700, 1879570, 2685100, 3759140, 4698925, 9397850, 18795700]

約数ペア:

[(1, 18795700), (2, 9397850), (4, 4698925), (5, 3759140), (7, 2685100), (10, 1879570), (11, 1708700), (14, 1342550), (20, 939785), (22, 854350), (25, 751828), (28, 671275), (35, 537020), (44, 427175), (50, 375914), (55, 341740), (70, 268510), (77, 244100), (100, 187957), (110, 170870), (140, 134255), (154, 122050), (175, 107404), (220, 85435), (275, 68348), (308, 61025), (350, 53702), (385, 48820), (550, 34174), (700, 26851), (770, 24410), (1100, 17087), (1540, 12205), (1925, 9764), (2441, 7700), (3850, 4882)]