18866859

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{7237}}^1$

素因数の和:7330

約数の個数: 16

約数和(自身を含む): 27793920

約数和(自身を除く): 8927061

約数列:

[1, 3, 11, 33, 79, 237, 869, 2607, 7237, 21711, 79607, 238821, 571723, 1715169, 6288953, 18866859]

約数ペア:

[(1, 18866859), (3, 6288953), (11, 1715169), (33, 571723), (79, 238821), (237, 79607), (869, 21711), (2607, 7237)]