19893010

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{64171}}^1$

素因数の和:64209

約数の個数: 16

約数和(自身を含む): 36963072

約数和(自身を除く): 17070062

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 64171, 128342, 320855, 641710, 1989301, 3978602, 9946505, 19893010]

約数ペア:

[(1, 19893010), (2, 9946505), (5, 3978602), (10, 1989301), (31, 641710), (62, 320855), (155, 128342), (310, 64171)]