19861664

素因数分解:

$2^5\times {\mathrm{571}}^1\times {\mathrm{1087}}^1$

素因数の和:1668

約数の個数: 24

約数和(自身を含む): 39207168

約数和(自身を除く): 19345504

約数列:

[1, 2, 4, 8, 16, 32, 571, 1087, 1142, 2174, 2284, 4348, 4568, 8696, 9136, 17392, 18272, 34784, 620677, 1241354, 2482708, 4965416, 9930832, 19861664]

約数ペア:

[(1, 19861664), (2, 9930832), (4, 4965416), (8, 2482708), (16, 1241354), (32, 620677), (571, 34784), (1087, 18272), (1142, 17392), (2174, 9136), (2284, 8696), (4348, 4568)]