18775718

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{397}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 32495904

約数和(自身を除く): 13720186

約数列:

[1, 2, 13, 17, 26, 34, 107, 214, 221, 397, 442, 794, 1391, 1819, 2782, 3638, 5161, 6749, 10322, 13498, 23647, 42479, 47294, 84958, 87737, 175474, 552227, 722143, 1104454, 1444286, 9387859, 18775718]

約数ペア:

[(1, 18775718), (2, 9387859), (13, 1444286), (17, 1104454), (26, 722143), (34, 552227), (107, 175474), (214, 87737), (221, 84958), (397, 47294), (442, 42479), (794, 23647), (1391, 13498), (1819, 10322), (2782, 6749), (3638, 5161)]