19976838

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{475639}}^1$

素因数の和:475651

約数の個数: 16

約数和(自身を含む): 45661440

約数和(自身を除く): 25684602

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 475639, 951278, 1426917, 2853834, 3329473, 6658946, 9988419, 19976838]

約数ペア:

[(1, 19976838), (2, 9988419), (3, 6658946), (6, 3329473), (7, 2853834), (14, 1426917), (21, 951278), (42, 475639)]