19129929

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{887}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 31825920

約数和(自身を除く): 12695991

約数列:

[1, 3, 7, 13, 21, 39, 79, 91, 237, 273, 553, 887, 1027, 1659, 2661, 3081, 6209, 7189, 11531, 18627, 21567, 34593, 70073, 80717, 210219, 242151, 490511, 910949, 1471533, 2732847, 6376643, 19129929]

約数ペア:

[(1, 19129929), (3, 6376643), (7, 2732847), (13, 1471533), (21, 910949), (39, 490511), (79, 242151), (91, 210219), (237, 80717), (273, 70073), (553, 34593), (887, 21567), (1027, 18627), (1659, 11531), (2661, 7189), (3081, 6209)]