19965824

素因数分解:

$2^7\times {\mathrm{151}}^1\times {\mathrm{1033}}^1$

素因数の和:1198

約数の個数: 32

約数和(自身を含む): 40077840

約数和(自身を除く): 20112016

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 151, 302, 604, 1033, 1208, 2066, 2416, 4132, 4832, 8264, 9664, 16528, 19328, 33056, 66112, 132224, 155983, 311966, 623932, 1247864, 2495728, 4991456, 9982912, 19965824]

約数ペア:

[(1, 19965824), (2, 9982912), (4, 4991456), (8, 2495728), (16, 1247864), (32, 623932), (64, 311966), (128, 155983), (151, 132224), (302, 66112), (604, 33056), (1033, 19328), (1208, 16528), (2066, 9664), (2416, 8264), (4132, 4832)]