19712790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{219031}}^1$

素因数の和:219044

約数の個数: 24

約数和(自身を含む): 51253488

約数和(自身を除く): 31540698

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 219031, 438062, 657093, 1095155, 1314186, 1971279, 2190310, 3285465, 3942558, 6570930, 9856395, 19712790]

約数ペア:

[(1, 19712790), (2, 9856395), (3, 6570930), (5, 3942558), (6, 3285465), (9, 2190310), (10, 1971279), (15, 1314186), (18, 1095155), (30, 657093), (45, 438062), (90, 219031)]