19572140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139801}}^1$

素因数の和:139817

約数の個数: 24

約数和(自身を含む): 46973472

約数和(自身を除く): 27401332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 139801, 279602, 559204, 699005, 978607, 1398010, 1957214, 2796020, 3914428, 4893035, 9786070, 19572140]

約数ペア:

[(1, 19572140), (2, 9786070), (4, 4893035), (5, 3914428), (7, 2796020), (10, 1957214), (14, 1398010), (20, 978607), (28, 699005), (35, 559204), (70, 279602), (140, 139801)]