19218946

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{1297}}^1$

素因数の和:1569

約数の個数: 16

約数和(自身を含む): 29905920

約数和(自身を除く): 10686974

約数列:

[1, 2, 31, 62, 239, 478, 1297, 2594, 7409, 14818, 40207, 80414, 309983, 619966, 9609473, 19218946]

約数ペア:

[(1, 19218946), (2, 9609473), (31, 619966), (62, 309983), (239, 80414), (478, 40207), (1297, 14818), (2594, 7409)]