19622380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{31649}}^1$

素因数の和:31689

約数の個数: 24

約数和(自身を含む): 42537600

約数和(自身を除く): 22915220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 31649, 63298, 126596, 158245, 316490, 632980, 981119, 1962238, 3924476, 4905595, 9811190, 19622380]

約数ペア:

[(1, 19622380), (2, 9811190), (4, 4905595), (5, 3924476), (10, 1962238), (20, 981119), (31, 632980), (62, 316490), (124, 158245), (155, 126596), (310, 63298), (620, 31649)]