18891119

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:167

約数の個数: 24

約数和(自身を含む): 22111152

約数和(自身を除く): 3220033

約数列:

[1, 13, 23, 41, 67, 299, 529, 533, 871, 943, 1541, 2747, 6877, 12259, 20033, 21689, 35443, 35711, 63181, 281957, 460759, 821353, 1453163, 18891119]

約数ペア:

[(1, 18891119), (13, 1453163), (23, 821353), (41, 460759), (67, 281957), (299, 63181), (529, 35711), (533, 35443), (871, 21689), (943, 20033), (1541, 12259), (2747, 6877)]