19139380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73613}}^1$

素因数の和:73635

約数の個数: 24

約数和(自身を含む): 43285032

約数和(自身を除く): 24145652

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 73613, 147226, 294452, 368065, 736130, 956969, 1472260, 1913938, 3827876, 4784845, 9569690, 19139380]

約数ペア:

[(1, 19139380), (2, 9569690), (4, 4784845), (5, 3827876), (10, 1913938), (13, 1472260), (20, 956969), (26, 736130), (52, 368065), (65, 294452), (130, 147226), (260, 73613)]