19118664

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{2027}}^1$

素因数の和:2170

約数の個数: 48

約数和(自身を含む): 52200720

約数和(自身を除く): 33082056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2027, 2358, 3144, 4054, 4716, 6081, 8108, 9432, 12162, 16216, 18243, 24324, 36486, 48648, 72972, 145944, 265537, 531074, 796611, 1062148, 1593222, 2124296, 2389833, 3186444, 4779666, 6372888, 9559332, 19118664]

約数ペア:

[(1, 19118664), (2, 9559332), (3, 6372888), (4, 4779666), (6, 3186444), (8, 2389833), (9, 2124296), (12, 1593222), (18, 1062148), (24, 796611), (36, 531074), (72, 265537), (131, 145944), (262, 72972), (393, 48648), (524, 36486), (786, 24324), (1048, 18243), (1179, 16216), (1572, 12162), (2027, 9432), (2358, 8108), (3144, 6081), (4054, 4716)]