19914609

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{761}}^1$

素因数の和:849

約数の個数: 32

約数和(自身を含む): 31747968

約数和(自身を除く): 11833359

約数列:

[1, 3, 11, 13, 33, 39, 61, 143, 183, 429, 671, 761, 793, 2013, 2283, 2379, 8371, 8723, 9893, 25113, 26169, 29679, 46421, 108823, 139263, 326469, 510631, 603473, 1531893, 1810419, 6638203, 19914609]

約数ペア:

[(1, 19914609), (3, 6638203), (11, 1810419), (13, 1531893), (33, 603473), (39, 510631), (61, 326469), (143, 139263), (183, 108823), (429, 46421), (671, 29679), (761, 26169), (793, 25113), (2013, 9893), (2283, 8723), (2379, 8371)]