22891990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{18919}}^1$

素因数の和:18948

約数の個数: 24

約数和(自身を含む): 45294480

約数和(自身を除く): 22402490

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 18919, 37838, 94595, 189190, 208109, 416218, 1040545, 2081090, 2289199, 4578398, 11445995, 22891990]

約数ペア:

[(1, 22891990), (2, 11445995), (5, 4578398), (10, 2289199), (11, 2081090), (22, 1040545), (55, 416218), (110, 208109), (121, 189190), (242, 94595), (605, 37838), (1210, 18919)]