18241808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{87701}}^1$

素因数の和:87722

約数の個数: 20

約数和(自身を含む): 38062668

約数和(自身を除く): 19820860

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 87701, 175402, 350804, 701608, 1140113, 1403216, 2280226, 4560452, 9120904, 18241808]

約数ペア:

[(1, 18241808), (2, 9120904), (4, 4560452), (8, 2280226), (13, 1403216), (16, 1140113), (26, 701608), (52, 350804), (104, 175402), (208, 87701)]