19393868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4721}}^1$

素因数の和:4817

約数の個数: 24

約数和(自身を含む): 37020480

約数和(自身を除く): 17626612

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 4721, 9442, 18884, 61373, 122746, 245492, 372959, 745918, 1491836, 4848467, 9696934, 19393868]

約数ペア:

[(1, 19393868), (2, 9696934), (4, 4848467), (13, 1491836), (26, 745918), (52, 372959), (79, 245492), (158, 122746), (316, 61373), (1027, 18884), (2054, 9442), (4108, 4721)]