19589710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{39979}}^1$

素因数の和:40000

約数の個数: 24

約数和(自身を含む): 41019480

約数和(自身を除く): 21429770

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 39979, 79958, 199895, 279853, 399790, 559706, 1399265, 1958971, 2798530, 3917942, 9794855, 19589710]

約数ペア:

[(1, 19589710), (2, 9794855), (5, 3917942), (7, 2798530), (10, 1958971), (14, 1399265), (35, 559706), (49, 399790), (70, 279853), (98, 199895), (245, 79958), (490, 39979)]