18928710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{210319}}^1$

素因数の和:210332

約数の個数: 24

約数和(自身を含む): 49214880

約数和(自身を除く): 30286170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 210319, 420638, 630957, 1051595, 1261914, 1892871, 2103190, 3154785, 3785742, 6309570, 9464355, 18928710]

約数ペア:

[(1, 18928710), (2, 9464355), (3, 6309570), (5, 3785742), (6, 3154785), (9, 2103190), (10, 1892871), (15, 1261914), (18, 1051595), (30, 630957), (45, 420638), (90, 210319)]