19774672

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{72701}}^1$

素因数の和:72726

約数の個数: 20

約数和(自身を含む): 40567716

約数和(自身を除く): 20793044

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 72701, 145402, 290804, 581608, 1163216, 1235917, 2471834, 4943668, 9887336, 19774672]

約数ペア:

[(1, 19774672), (2, 9887336), (4, 4943668), (8, 2471834), (16, 1235917), (17, 1163216), (34, 581608), (68, 290804), (136, 145402), (272, 72701)]