18982041

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 28331520

約数和(自身を除く): 9349479

約数列:

[1, 3, 13, 39, 61, 79, 101, 183, 237, 303, 793, 1027, 1313, 2379, 3081, 3939, 4819, 6161, 7979, 14457, 18483, 23937, 62647, 80093, 103727, 187941, 240279, 311181, 486719, 1460157, 6327347, 18982041]

約数ペア:

[(1, 18982041), (3, 6327347), (13, 1460157), (39, 486719), (61, 311181), (79, 240279), (101, 187941), (183, 103727), (237, 80093), (303, 62647), (793, 23937), (1027, 18483), (1313, 14457), (2379, 7979), (3081, 6161), (3939, 4819)]