18764031

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{229}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 29675520

約数和(自身を除く): 10911489

約数列:

[1, 3, 11, 13, 33, 39, 143, 191, 229, 429, 573, 687, 2101, 2483, 2519, 2977, 6303, 7449, 7557, 8931, 27313, 32747, 43739, 81939, 98241, 131217, 481129, 568607, 1443387, 1705821, 6254677, 18764031]

約数ペア:

[(1, 18764031), (3, 6254677), (11, 1705821), (13, 1443387), (33, 568607), (39, 481129), (143, 131217), (191, 98241), (229, 81939), (429, 43739), (573, 32747), (687, 27313), (2101, 8931), (2483, 7557), (2519, 7449), (2977, 6303)]