18691370

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{64453}}^1$

素因数の和:64489

約数の個数: 16

約数和(自身を含む): 34805160

約数和(自身を除く): 16113790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 64453, 128906, 322265, 644530, 1869137, 3738274, 9345685, 18691370]

約数ペア:

[(1, 18691370), (2, 9345685), (5, 3738274), (10, 1869137), (29, 644530), (58, 322265), (145, 128906), (290, 64453)]