18316551

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 28385280

約数和(自身を除く): 10068729

約数列:

[1, 3, 11, 19, 33, 57, 131, 209, 223, 393, 627, 669, 1441, 2453, 2489, 4237, 4323, 7359, 7467, 12711, 27379, 29213, 46607, 82137, 87639, 139821, 321343, 555047, 964029, 1665141, 6105517, 18316551]

約数ペア:

[(1, 18316551), (3, 6105517), (11, 1665141), (19, 964029), (33, 555047), (57, 321343), (131, 139821), (209, 87639), (223, 82137), (393, 46607), (627, 29213), (669, 27379), (1441, 12711), (2453, 7467), (2489, 7359), (4237, 4323)]