19628908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1789}}^1$

素因数の和:2017

約数の個数: 24

約数和(自身を含む): 37189040

約数和(自身を除く): 17560132

約数列:

[1, 2, 4, 13, 26, 52, 211, 422, 844, 1789, 2743, 3578, 5486, 7156, 10972, 23257, 46514, 93028, 377479, 754958, 1509916, 4907227, 9814454, 19628908]

約数ペア:

[(1, 19628908), (2, 9814454), (4, 4907227), (13, 1509916), (26, 754958), (52, 377479), (211, 93028), (422, 46514), (844, 23257), (1789, 10972), (2743, 7156), (3578, 5486)]