18866910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20287}}^1$

素因数の和:20328

約数の個数: 32

約数和(自身を含む): 46743552

約数和(自身を除く): 27876642

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 20287, 40574, 60861, 101435, 121722, 202870, 304305, 608610, 628897, 1257794, 1886691, 3144485, 3773382, 6288970, 9433455, 18866910]

約数ペア:

[(1, 18866910), (2, 9433455), (3, 6288970), (5, 3773382), (6, 3144485), (10, 1886691), (15, 1257794), (30, 628897), (31, 608610), (62, 304305), (93, 202870), (155, 121722), (186, 101435), (310, 60861), (465, 40574), (930, 20287)]