2018120830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{9901}}^1$

素因数の和:10045

約数の個数: 64

約数和(自身を含む): 4234887360

約数和(自身を除く): 2216766530

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 109, 110, 170, 187, 218, 374, 545, 935, 1090, 1199, 1853, 1870, 2398, 3706, 5995, 9265, 9901, 11990, 18530, 19802, 20383, 40766, 49505, 99010, 101915, 108911, 168317, 203830, 217822, 336634, 544555, 841585, 1079209, 1089110, 1683170, 1851487, 2158418, 3702974, 5396045, 9257435, 10792090, 11871299, 18346553, 18514870, 23742598, 36693106, 59356495, 91732765, 118712990, 183465530, 201812083, 403624166, 1009060415, 2018120830]

約数ペア:

[(1, 2018120830), (2, 1009060415), (5, 403624166), (10, 201812083), (11, 183465530), (17, 118712990), (22, 91732765), (34, 59356495), (55, 36693106), (85, 23742598), (109, 18514870), (110, 18346553), (170, 11871299), (187, 10792090), (218, 9257435), (374, 5396045), (545, 3702974), (935, 2158418), (1090, 1851487), (1199, 1683170), (1853, 1089110), (1870, 1079209), (2398, 841585), (3706, 544555), (5995, 336634), (9265, 217822), (9901, 203830), (11990, 168317), (18530, 108911), (19802, 101915), (20383, 99010), (40766, 49505)]