19925670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{821}}^1$

素因数の和:1640

約数の個数: 32

約数和(自身を含む): 47939040

約数和(自身を除く): 28013370

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 809, 821, 1618, 1642, 2427, 2463, 4045, 4105, 4854, 4926, 8090, 8210, 12135, 12315, 24270, 24630, 664189, 1328378, 1992567, 3320945, 3985134, 6641890, 9962835, 19925670]

約数ペア:

[(1, 19925670), (2, 9962835), (3, 6641890), (5, 3985134), (6, 3320945), (10, 1992567), (15, 1328378), (30, 664189), (809, 24630), (821, 24270), (1618, 12315), (1642, 12135), (2427, 8210), (2463, 8090), (4045, 4926), (4105, 4854)]