19429744

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{5081}}^1$

素因数の和:5328

約数の個数: 20

約数和(自身を含む): 37810080

約数和(自身を除く): 18380336

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 5081, 10162, 20324, 40648, 81296, 1214359, 2428718, 4857436, 9714872, 19429744]

約数ペア:

[(1, 19429744), (2, 9714872), (4, 4857436), (8, 2428718), (16, 1214359), (239, 81296), (478, 40648), (956, 20324), (1912, 10162), (3824, 5081)]