19381480

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2677}}^1$

素因数の和:2869

約数の個数: 32

約数和(自身を含む): 43865640

約数和(自身を除く): 24484160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 2677, 3620, 5354, 7240, 10708, 13385, 21416, 26770, 53540, 107080, 484537, 969074, 1938148, 2422685, 3876296, 4845370, 9690740, 19381480]

約数ペア:

[(1, 19381480), (2, 9690740), (4, 4845370), (5, 3876296), (8, 2422685), (10, 1938148), (20, 969074), (40, 484537), (181, 107080), (362, 53540), (724, 26770), (905, 21416), (1448, 13385), (1810, 10708), (2677, 7240), (3620, 5354)]