19613990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4349}}^1$

素因数の和:4408

約数の個数: 32

約数和(自身を含む): 39463200

約数和(自身を除く): 19849210

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4349, 4510, 8698, 21745, 43490, 47839, 95678, 178309, 239195, 356618, 478390, 891545, 1783090, 1961399, 3922798, 9806995, 19613990]

約数ペア:

[(1, 19613990), (2, 9806995), (5, 3922798), (10, 1961399), (11, 1783090), (22, 891545), (41, 478390), (55, 356618), (82, 239195), (110, 178309), (205, 95678), (410, 47839), (451, 43490), (902, 21745), (2255, 8698), (4349, 4510)]