19121408

素因数分解:

$2^8\times {\mathrm{113}}^1\times {\mathrm{661}}^1$

素因数の和:790

約数の個数: 36

約数和(自身を含む): 38564148

約数和(自身を除く): 19442740

約数列:

[1, 2, 4, 8, 16, 32, 64, 113, 128, 226, 256, 452, 661, 904, 1322, 1808, 2644, 3616, 5288, 7232, 10576, 14464, 21152, 28928, 42304, 74693, 84608, 149386, 169216, 298772, 597544, 1195088, 2390176, 4780352, 9560704, 19121408]

約数ペア:

[(1, 19121408), (2, 9560704), (4, 4780352), (8, 2390176), (16, 1195088), (32, 597544), (64, 298772), (113, 169216), (128, 149386), (226, 84608), (256, 74693), (452, 42304), (661, 28928), (904, 21152), (1322, 14464), (1808, 10576), (2644, 7232), (3616, 5288)]