19424405

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3881}}^1$

素因数の和:3917

約数の個数: 32

約数和(自身を含む): 31304448

約数和(自身を除く): 11880043

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 3881, 5005, 19405, 27167, 42691, 50453, 135835, 213455, 252265, 298837, 353171, 554983, 1494185, 1765855, 2774915, 3884881, 19424405]

約数ペア:

[(1, 19424405), (5, 3884881), (7, 2774915), (11, 1765855), (13, 1494185), (35, 554983), (55, 353171), (65, 298837), (77, 252265), (91, 213455), (143, 135835), (385, 50453), (455, 42691), (715, 27167), (1001, 19405), (3881, 5005)]