19887570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{220973}}^1$

素因数の和:220986

約数の個数: 24

約数和(自身を含む): 51707916

約数和(自身を除く): 31820346

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 220973, 441946, 662919, 1104865, 1325838, 1988757, 2209730, 3314595, 3977514, 6629190, 9943785, 19887570]

約数ペア:

[(1, 19887570), (2, 9943785), (3, 6629190), (5, 3977514), (6, 3314595), (9, 2209730), (10, 1988757), (15, 1325838), (18, 1104865), (30, 662919), (45, 441946), (90, 220973)]