18965908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{641}}^1$

素因数の和:1227

約数の個数: 24

約数和(自身を含む): 35862120

約数和(自身を除く): 16896212

約数列:

[1, 2, 4, 13, 26, 52, 569, 641, 1138, 1282, 2276, 2564, 7397, 8333, 14794, 16666, 29588, 33332, 364729, 729458, 1458916, 4741477, 9482954, 18965908]

約数ペア:

[(1, 18965908), (2, 9482954), (4, 4741477), (13, 1458916), (26, 729458), (52, 364729), (569, 33332), (641, 29588), (1138, 16666), (1282, 14794), (2276, 8333), (2564, 7397)]