18122445

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1181}}^1$

素因数の和:1234

約数の個数: 48

約数和(自身を含む): 35403264

約数和(自身を除く): 17280819

約数列:

[1, 3, 5, 9, 11, 15, 31, 33, 45, 55, 93, 99, 155, 165, 279, 341, 465, 495, 1023, 1181, 1395, 1705, 3069, 3543, 5115, 5905, 10629, 12991, 15345, 17715, 36611, 38973, 53145, 64955, 109833, 116919, 183055, 194865, 329499, 402721, 549165, 584595, 1208163, 1647495, 2013605, 3624489, 6040815, 18122445]

約数ペア:

[(1, 18122445), (3, 6040815), (5, 3624489), (9, 2013605), (11, 1647495), (15, 1208163), (31, 584595), (33, 549165), (45, 402721), (55, 329499), (93, 194865), (99, 183055), (155, 116919), (165, 109833), (279, 64955), (341, 53145), (465, 38973), (495, 36611), (1023, 17715), (1181, 15345), (1395, 12991), (1705, 10629), (3069, 5905), (3543, 5115)]