19747928

素因数分解:

$2^3\times {\mathrm{641}}^1\times {\mathrm{3851}}^1$

素因数の和:4498

約数の個数: 16

約数和(自身を含む): 37094760

約数和(自身を除く): 17346832

約数列:

[1, 2, 4, 8, 641, 1282, 2564, 3851, 5128, 7702, 15404, 30808, 2468491, 4936982, 9873964, 19747928]

約数ペア:

[(1, 19747928), (2, 9873964), (4, 4936982), (8, 2468491), (641, 30808), (1282, 15404), (2564, 7702), (3851, 5128)]