18311858

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{10253}}^1$

素因数の和:10321

約数の個数: 16

約数和(自身を含む): 29531520

約数和(自身を除く): 11219662

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 10253, 20506, 194807, 389614, 481891, 963782, 9155929, 18311858]

約数ペア:

[(1, 18311858), (2, 9155929), (19, 963782), (38, 481891), (47, 389614), (94, 194807), (893, 20506), (1786, 10253)]