19180928

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{11527}}^1$

素因数の和:11554

約数の個数: 32

約数和(自身を含む): 41154960

約数和(自身を除く): 21974032

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 11527, 23054, 46108, 92216, 149851, 184432, 299702, 368864, 599404, 737728, 1198808, 1475456, 2397616, 4795232, 9590464, 19180928]

約数ペア:

[(1, 19180928), (2, 9590464), (4, 4795232), (8, 2397616), (13, 1475456), (16, 1198808), (26, 737728), (32, 599404), (52, 368864), (64, 299702), (104, 184432), (128, 149851), (208, 92216), (416, 46108), (832, 23054), (1664, 11527)]