18933420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28687}}^1$

素因数の和:28710

約数の個数: 48

約数和(自身を含む): 57835008

約数和(自身を除く): 38901588

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 28687, 57374, 86061, 114748, 143435, 172122, 286870, 315557, 344244, 430305, 573740, 631114, 860610, 946671, 1262228, 1577785, 1721220, 1893342, 3155570, 3786684, 4733355, 6311140, 9466710, 18933420]

約数ペア:

[(1, 18933420), (2, 9466710), (3, 6311140), (4, 4733355), (5, 3786684), (6, 3155570), (10, 1893342), (11, 1721220), (12, 1577785), (15, 1262228), (20, 946671), (22, 860610), (30, 631114), (33, 573740), (44, 430305), (55, 344244), (60, 315557), (66, 286870), (110, 172122), (132, 143435), (165, 114748), (220, 86061), (330, 57374), (660, 28687)]