20181930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21701}}^1$

素因数の和:21742

約数の個数: 32

約数和(自身を含む): 50001408

約数和(自身を除く): 29819478

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 21701, 43402, 65103, 108505, 130206, 217010, 325515, 651030, 672731, 1345462, 2018193, 3363655, 4036386, 6727310, 10090965, 20181930]

約数ペア:

[(1, 20181930), (2, 10090965), (3, 6727310), (5, 4036386), (6, 3363655), (10, 2018193), (15, 1345462), (30, 672731), (31, 651030), (62, 325515), (93, 217010), (155, 130206), (186, 108505), (310, 65103), (465, 43402), (930, 21701)]