18730887

素因数分解:

$3^1\times 7^3\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:300

約数の個数: 32

約数和(自身を含む): 29568000

約数和(自身を除く): 10837113

約数列:

[1, 3, 7, 21, 49, 109, 147, 167, 327, 343, 501, 763, 1029, 1169, 2289, 3507, 5341, 8183, 16023, 18203, 24549, 37387, 54609, 57281, 112161, 127421, 171843, 382263, 891947, 2675841, 6243629, 18730887]

約数ペア:

[(1, 18730887), (3, 6243629), (7, 2675841), (21, 891947), (49, 382263), (109, 171843), (147, 127421), (167, 112161), (327, 57281), (343, 54609), (501, 37387), (763, 24549), (1029, 18203), (1169, 16023), (2289, 8183), (3507, 5341)]