19400506

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{641}}^1$

素因数の和:1089

約数の個数: 16

約数和(自身を含む): 30007080

約数和(自身を除く): 10606574

約数列:

[1, 2, 37, 74, 409, 641, 818, 1282, 15133, 23717, 30266, 47434, 262169, 524338, 9700253, 19400506]

約数ペア:

[(1, 19400506), (2, 9700253), (37, 524338), (74, 262169), (409, 47434), (641, 30266), (818, 23717), (1282, 15133)]