19919796

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127691}}^1$

素因数の和:127711

約数の個数: 24

約数和(自身を含む): 50055264

約数和(自身を除く): 30135468

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 127691, 255382, 383073, 510764, 766146, 1532292, 1659983, 3319966, 4979949, 6639932, 9959898, 19919796]

約数ペア:

[(1, 19919796), (2, 9959898), (3, 6639932), (4, 4979949), (6, 3319966), (12, 1659983), (13, 1532292), (26, 766146), (39, 510764), (52, 383073), (78, 255382), (156, 127691)]