18278037

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:593

約数の個数: 24

約数和(自身を含む): 27387360

約数和(自身を除く): 9109323

約数列:

[1, 3, 9, 37, 111, 131, 333, 393, 419, 1179, 1257, 3771, 4847, 14541, 15503, 43623, 46509, 54889, 139527, 164667, 494001, 2030893, 6092679, 18278037]

約数ペア:

[(1, 18278037), (3, 6092679), (9, 2030893), (37, 494001), (111, 164667), (131, 139527), (333, 54889), (393, 46509), (419, 43623), (1179, 15503), (1257, 14541), (3771, 4847)]