18518904

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{8297}}^1$

素因数の和:8340

約数の個数: 48

約数和(自身を含む): 51779520

約数和(自身を除く): 33260616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 8297, 16594, 24891, 33188, 49782, 66376, 74673, 99564, 149346, 199128, 257207, 298692, 514414, 597384, 771621, 1028828, 1543242, 2057656, 2314863, 3086484, 4629726, 6172968, 9259452, 18518904]

約数ペア:

[(1, 18518904), (2, 9259452), (3, 6172968), (4, 4629726), (6, 3086484), (8, 2314863), (9, 2057656), (12, 1543242), (18, 1028828), (24, 771621), (31, 597384), (36, 514414), (62, 298692), (72, 257207), (93, 199128), (124, 149346), (186, 99564), (248, 74673), (279, 66376), (372, 49782), (558, 33188), (744, 24891), (1116, 16594), (2232, 8297)]