18778642

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{613}}^1$

素因数の和:702

約数の個数: 24

約数和(自身を含む): 30536676

約数和(自身を除く): 11758034

約数列:

[1, 2, 17, 34, 53, 106, 289, 578, 613, 901, 1226, 1802, 10421, 15317, 20842, 30634, 32489, 64978, 177157, 354314, 552313, 1104626, 9389321, 18778642]

約数ペア:

[(1, 18778642), (2, 9389321), (17, 1104626), (34, 552313), (53, 354314), (106, 177157), (289, 64978), (578, 32489), (613, 30634), (901, 20842), (1226, 15317), (1802, 10421)]