18643491

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1171}}^1$

素因数の和:1267

約数の個数: 24

約数和(自身を含む): 28338960

約数和(自身を除く): 9695469

約数列:

[1, 3, 9, 29, 61, 87, 183, 261, 549, 1171, 1769, 3513, 5307, 10539, 15921, 33959, 71431, 101877, 214293, 305631, 642879, 2071499, 6214497, 18643491]

約数ペア:

[(1, 18643491), (3, 6214497), (9, 2071499), (29, 642879), (61, 305631), (87, 214293), (183, 101877), (261, 71431), (549, 33959), (1171, 15921), (1769, 10539), (3513, 5307)]