18171660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23297}}^1$

素因数の和:23322

約数の個数: 48

約数和(自身を含む): 54796896

約数和(自身を除く): 36625236

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 23297, 46594, 69891, 93188, 116485, 139782, 232970, 279564, 302861, 349455, 465940, 605722, 698910, 908583, 1211444, 1397820, 1514305, 1817166, 3028610, 3634332, 4542915, 6057220, 9085830, 18171660]

約数ペア:

[(1, 18171660), (2, 9085830), (3, 6057220), (4, 4542915), (5, 3634332), (6, 3028610), (10, 1817166), (12, 1514305), (13, 1397820), (15, 1211444), (20, 908583), (26, 698910), (30, 605722), (39, 465940), (52, 349455), (60, 302861), (65, 279564), (78, 232970), (130, 139782), (156, 116485), (195, 93188), (260, 69891), (390, 46594), (780, 23297)]