18574731

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4273}}^1$

素因数の和:4312

約数の個数: 32

約数和(自身を含む): 32824320

約数和(自身を除く): 14249589

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4273, 4347, 12819, 29911, 38457, 89733, 98279, 115371, 269199, 294837, 687953, 807597, 884511, 2063859, 2653533, 6191577, 18574731]

約数ペア:

[(1, 18574731), (3, 6191577), (7, 2653533), (9, 2063859), (21, 884511), (23, 807597), (27, 687953), (63, 294837), (69, 269199), (161, 115371), (189, 98279), (207, 89733), (483, 38457), (621, 29911), (1449, 12819), (4273, 4347)]