18939841804

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{727}}^1\times {\mathrm{501001}}^1$

素因数の和:501745

約数の個数: 24

約数和(自身を含む): 35743486688

約数和(自身を除く): 16803644884

約数列:

[1, 2, 4, 13, 26, 52, 727, 1454, 2908, 9451, 18902, 37804, 501001, 1002002, 2004004, 6513013, 13026026, 26052052, 364227727, 728455454, 1456910908, 4734960451, 9469920902, 18939841804]

約数ペア:

[(1, 18939841804), (2, 9469920902), (4, 4734960451), (13, 1456910908), (26, 728455454), (52, 364227727), (727, 26052052), (1454, 13026026), (2908, 6513013), (9451, 2004004), (18902, 1002002), (37804, 501001)]