18687816

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{5297}}^1$

素因数の和:5323

約数の個数: 72

約数和(自身を含む): 58887270

約数和(自身を除く): 40199454

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 5297, 10594, 15891, 21188, 31782, 37079, 42376, 47673, 63564, 74158, 95346, 111237, 127128, 148316, 190692, 222474, 259553, 296632, 333711, 381384, 444948, 519106, 667422, 778659, 889896, 1038212, 1334844, 1557318, 2076424, 2335977, 2669688, 3114636, 4671954, 6229272, 9343908, 18687816]

約数ペア:

[(1, 18687816), (2, 9343908), (3, 6229272), (4, 4671954), (6, 3114636), (7, 2669688), (8, 2335977), (9, 2076424), (12, 1557318), (14, 1334844), (18, 1038212), (21, 889896), (24, 778659), (28, 667422), (36, 519106), (42, 444948), (49, 381384), (56, 333711), (63, 296632), (72, 259553), (84, 222474), (98, 190692), (126, 148316), (147, 127128), (168, 111237), (196, 95346), (252, 74158), (294, 63564), (392, 47673), (441, 42376), (504, 37079), (588, 31782), (882, 21188), (1176, 15891), (1764, 10594), (3528, 5297)]