18390478020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4493}}^1\times {\mathrm{68219}}^1$

素因数の和:72724

約数の個数: 48

約数和(自身を含む): 51505554240

約数和(自身を除く): 33115076220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4493, 8986, 13479, 17972, 22465, 26958, 44930, 53916, 67395, 68219, 89860, 134790, 136438, 204657, 269580, 272876, 341095, 409314, 682190, 818628, 1023285, 1364380, 2046570, 4093140, 306507967, 613015934, 919523901, 1226031868, 1532539835, 1839047802, 3065079670, 3678095604, 4597619505, 6130159340, 9195239010, 18390478020]

約数ペア:

[(1, 18390478020), (2, 9195239010), (3, 6130159340), (4, 4597619505), (5, 3678095604), (6, 3065079670), (10, 1839047802), (12, 1532539835), (15, 1226031868), (20, 919523901), (30, 613015934), (60, 306507967), (4493, 4093140), (8986, 2046570), (13479, 1364380), (17972, 1023285), (22465, 818628), (26958, 682190), (44930, 409314), (53916, 341095), (67395, 272876), (68219, 269580), (89860, 204657), (134790, 136438)]