19223818

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1\times {\mathrm{409}}^1$

素因数の和:813

約数の個数: 16

約数和(自身を含む): 29401920

約数和(自身を除く): 10178102

約数列:

[1, 2, 71, 142, 331, 409, 662, 818, 23501, 29039, 47002, 58078, 135379, 270758, 9611909, 19223818]

約数ペア:

[(1, 19223818), (2, 9611909), (71, 270758), (142, 135379), (331, 58078), (409, 47002), (662, 29039), (818, 23501)]