19880498526

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{473345203}}^1$

素因数の和:473345215

約数の個数: 16

約数和(自身を含む): 45441139584

約数和(自身を除く): 25560641058

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 473345203, 946690406, 1420035609, 2840071218, 3313416421, 6626832842, 9940249263, 19880498526]

約数ペア:

[(1, 19880498526), (2, 9940249263), (3, 6626832842), (6, 3313416421), (7, 2840071218), (14, 1420035609), (21, 946690406), (42, 473345203)]