18431328

素因数分解:

$2^5\times 3^1\times {\mathrm{37}}^1\times {\mathrm{5189}}^1$

素因数の和:5239

約数の個数: 48

約数和(自身を含む): 49699440

約数和(自身を除く): 31268112

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 74, 96, 111, 148, 222, 296, 444, 592, 888, 1184, 1776, 3552, 5189, 10378, 15567, 20756, 31134, 41512, 62268, 83024, 124536, 166048, 191993, 249072, 383986, 498144, 575979, 767972, 1151958, 1535944, 2303916, 3071888, 4607832, 6143776, 9215664, 18431328]

約数ペア:

[(1, 18431328), (2, 9215664), (3, 6143776), (4, 4607832), (6, 3071888), (8, 2303916), (12, 1535944), (16, 1151958), (24, 767972), (32, 575979), (37, 498144), (48, 383986), (74, 249072), (96, 191993), (111, 166048), (148, 124536), (222, 83024), (296, 62268), (444, 41512), (592, 31134), (888, 20756), (1184, 15567), (1776, 10378), (3552, 5189)]