19780570

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{277}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 36889488

約数和(自身を除く): 17108918

約数列:

[1, 2, 5, 10, 37, 74, 185, 193, 277, 370, 386, 554, 965, 1385, 1930, 2770, 7141, 10249, 14282, 20498, 35705, 51245, 53461, 71410, 102490, 106922, 267305, 534610, 1978057, 3956114, 9890285, 19780570]

約数ペア:

[(1, 19780570), (2, 9890285), (5, 3956114), (10, 1978057), (37, 534610), (74, 267305), (185, 106922), (193, 102490), (277, 71410), (370, 53461), (386, 51245), (554, 35705), (965, 20498), (1385, 14282), (1930, 10249), (2770, 7141)]