19871370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{220793}}^1$

素因数の和:220806

約数の個数: 24

約数和(自身を含む): 51665796

約数和(自身を除く): 31794426

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 220793, 441586, 662379, 1103965, 1324758, 1987137, 2207930, 3311895, 3974274, 6623790, 9935685, 19871370]

約数ペア:

[(1, 19871370), (2, 9935685), (3, 6623790), (5, 3974274), (6, 3311895), (9, 2207930), (10, 1987137), (15, 1324758), (18, 1103965), (30, 662379), (45, 441586), (90, 220793)]