18267590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2339}}^1$

素因数の和:2428

約数の個数: 32

約数和(自身を含む): 36391680

約数和(自身を除く): 18124090

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 2339, 3905, 4678, 7810, 11695, 23390, 25729, 51458, 128645, 166069, 257290, 332138, 830345, 1660690, 1826759, 3653518, 9133795, 18267590]

約数ペア:

[(1, 18267590), (2, 9133795), (5, 3653518), (10, 1826759), (11, 1660690), (22, 830345), (55, 332138), (71, 257290), (110, 166069), (142, 128645), (355, 51458), (710, 25729), (781, 23390), (1562, 11695), (2339, 7810), (3905, 4678)]