18305220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4297}}^1$

素因数の和:4380

約数の個数: 48

約数和(自身を含む): 51988608

約数和(自身を除く): 33683388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 4297, 8594, 12891, 17188, 21485, 25782, 42970, 51564, 64455, 85940, 128910, 257820, 305087, 610174, 915261, 1220348, 1525435, 1830522, 3050870, 3661044, 4576305, 6101740, 9152610, 18305220]

約数ペア:

[(1, 18305220), (2, 9152610), (3, 6101740), (4, 4576305), (5, 3661044), (6, 3050870), (10, 1830522), (12, 1525435), (15, 1220348), (20, 915261), (30, 610174), (60, 305087), (71, 257820), (142, 128910), (213, 85940), (284, 64455), (355, 51564), (426, 42970), (710, 25782), (852, 21485), (1065, 17188), (1420, 12891), (2130, 8594), (4260, 4297)]