18806460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10111}}^1$

素因数の和:10154

約数の個数: 48

約数和(自身を含む): 54362112

約数和(自身を除く): 35555652

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 10111, 20222, 30333, 40444, 50555, 60666, 101110, 121332, 151665, 202220, 303330, 313441, 606660, 626882, 940323, 1253764, 1567205, 1880646, 3134410, 3761292, 4701615, 6268820, 9403230, 18806460]

約数ペア:

[(1, 18806460), (2, 9403230), (3, 6268820), (4, 4701615), (5, 3761292), (6, 3134410), (10, 1880646), (12, 1567205), (15, 1253764), (20, 940323), (30, 626882), (31, 606660), (60, 313441), (62, 303330), (93, 202220), (124, 151665), (155, 121332), (186, 101110), (310, 60666), (372, 50555), (465, 40444), (620, 30333), (930, 20222), (1860, 10111)]