19741203

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{409}}^1$

素因数の和:619

約数の個数: 24

約数和(自身を含む): 29677440

約数和(自身を除く): 9936237

約数列:

[1, 3, 9, 31, 93, 173, 279, 409, 519, 1227, 1557, 3681, 5363, 12679, 16089, 38037, 48267, 70757, 114111, 212271, 636813, 2193467, 6580401, 19741203]

約数ペア:

[(1, 19741203), (3, 6580401), (9, 2193467), (31, 636813), (93, 212271), (173, 114111), (279, 70757), (409, 48267), (519, 38037), (1227, 16089), (1557, 12679), (3681, 5363)]