18455821

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1$

素因数の和:468

約数の個数: 16

約数和(自身を含む): 20476800

約数和(自身を除く): 2020979

約数列:

[1, 19, 23, 157, 269, 437, 2983, 3611, 5111, 6187, 42233, 68609, 117553, 802427, 971359, 18455821]

約数ペア:

[(1, 18455821), (19, 971359), (23, 802427), (157, 117553), (269, 68609), (437, 42233), (2983, 6187), (3611, 5111)]