81988610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{39229}}^1$

素因数の和:39266

約数の個数: 32

約数和(自身を含む): 169473600

約数和(自身を除く): 87484990

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 39229, 78458, 196145, 392290, 431519, 745351, 863038, 1490702, 2157595, 3726755, 4315190, 7453510, 8198861, 16397722, 40994305, 81988610]

約数ペア:

[(1, 81988610), (2, 40994305), (5, 16397722), (10, 8198861), (11, 7453510), (19, 4315190), (22, 3726755), (38, 2157595), (55, 1490702), (95, 863038), (110, 745351), (190, 431519), (209, 392290), (418, 196145), (1045, 78458), (2090, 39229)]