19560176

素因数分解:

$2^4\times {\mathrm{571}}^1\times {\mathrm{2141}}^1$

素因数の和:2720

約数の個数: 20

約数和(自身を含む): 37981944

約数和(自身を除く): 18421768

約数列:

[1, 2, 4, 8, 16, 571, 1142, 2141, 2284, 4282, 4568, 8564, 9136, 17128, 34256, 1222511, 2445022, 4890044, 9780088, 19560176]

約数ペア:

[(1, 19560176), (2, 9780088), (4, 4890044), (8, 2445022), (16, 1222511), (571, 34256), (1142, 17128), (2141, 9136), (2284, 8564), (4282, 4568)]