19158380

素因数分解:

$2^2\times 5^1\times {\mathrm{853}}^1\times {\mathrm{1123}}^1$

素因数の和:1985

約数の個数: 24

約数和(自身を含む): 40315632

約数和(自身を除く): 21157252

約数列:

[1, 2, 4, 5, 10, 20, 853, 1123, 1706, 2246, 3412, 4265, 4492, 5615, 8530, 11230, 17060, 22460, 957919, 1915838, 3831676, 4789595, 9579190, 19158380]

約数ペア:

[(1, 19158380), (2, 9579190), (4, 4789595), (5, 3831676), (10, 1915838), (20, 957919), (853, 22460), (1123, 17060), (1706, 11230), (2246, 8530), (3412, 5615), (4265, 4492)]