19200505

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{409}}^1$

素因数の和:684

約数の個数: 16

約数和(自身を含む): 23763600

約数和(自身を除く): 4563095

約数列:

[1, 5, 41, 205, 229, 409, 1145, 2045, 9389, 16769, 46945, 83845, 93661, 468305, 3840101, 19200505]

約数ペア:

[(1, 19200505), (5, 3840101), (41, 468305), (205, 93661), (229, 83845), (409, 46945), (1145, 16769), (2045, 9389)]