19471408

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{349}}^1$

素因数の和:685

約数の個数: 40

約数和(自身を含む): 41403600

約数和(自身を除く): 21932192

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 317, 349, 634, 698, 1268, 1396, 2536, 2792, 3487, 3839, 5072, 5584, 6974, 7678, 13948, 15356, 27896, 30712, 55792, 61424, 110633, 221266, 442532, 885064, 1216963, 1770128, 2433926, 4867852, 9735704, 19471408]

約数ペア:

[(1, 19471408), (2, 9735704), (4, 4867852), (8, 2433926), (11, 1770128), (16, 1216963), (22, 885064), (44, 442532), (88, 221266), (176, 110633), (317, 61424), (349, 55792), (634, 30712), (698, 27896), (1268, 15356), (1396, 13948), (2536, 7678), (2792, 6974), (3487, 5584), (3839, 5072)]