19978432

素因数分解:

$2^6\times {\mathrm{83}}^1\times {\mathrm{3761}}^1$

素因数の和:3856

約数の個数: 28

約数和(自身を含む): 40133016

約数和(自身を除く): 20154584

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 166, 332, 664, 1328, 2656, 3761, 5312, 7522, 15044, 30088, 60176, 120352, 240704, 312163, 624326, 1248652, 2497304, 4994608, 9989216, 19978432]

約数ペア:

[(1, 19978432), (2, 9989216), (4, 4994608), (8, 2497304), (16, 1248652), (32, 624326), (64, 312163), (83, 240704), (166, 120352), (332, 60176), (664, 30088), (1328, 15044), (2656, 7522), (3761, 5312)]