19916588

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{1279}}^1$

素因数の和:1529

約数の個数: 24

約数和(自身を含む): 37094400

約数和(自身を除く): 17177812

約数列:

[1, 2, 4, 17, 34, 68, 229, 458, 916, 1279, 2558, 3893, 5116, 7786, 15572, 21743, 43486, 86972, 292891, 585782, 1171564, 4979147, 9958294, 19916588]

約数ペア:

[(1, 19916588), (2, 9958294), (4, 4979147), (17, 1171564), (34, 585782), (68, 292891), (229, 86972), (458, 43486), (916, 21743), (1279, 15572), (2558, 7786), (3893, 5116)]