19803088

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{15667}}^1$

素因数の和:15754

約数の個数: 20

約数和(自身を含む): 38856640

約数和(自身を除く): 19053552

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 15667, 31334, 62668, 125336, 250672, 1237693, 2475386, 4950772, 9901544, 19803088]

約数ペア:

[(1, 19803088), (2, 9901544), (4, 4950772), (8, 2475386), (16, 1237693), (79, 250672), (158, 125336), (316, 62668), (632, 31334), (1264, 15667)]