18533020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1381}}^1$

素因数の和:1462

約数の個数: 48

約数和(自身を含む): 43184736

約数和(自身を除く): 24651716

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 1381, 2684, 2762, 3355, 5524, 6710, 6905, 13420, 13810, 15191, 27620, 30382, 60764, 75955, 84241, 151910, 168482, 303820, 336964, 421205, 842410, 926651, 1684820, 1853302, 3706604, 4633255, 9266510, 18533020]

約数ペア:

[(1, 18533020), (2, 9266510), (4, 4633255), (5, 3706604), (10, 1853302), (11, 1684820), (20, 926651), (22, 842410), (44, 421205), (55, 336964), (61, 303820), (110, 168482), (122, 151910), (220, 84241), (244, 75955), (305, 60764), (610, 30382), (671, 27620), (1220, 15191), (1342, 13810), (1381, 13420), (2684, 6905), (2762, 6710), (3355, 5524)]