19365290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{39521}}^1$

素因数の和:39542

約数の個数: 24

約数和(自身を含む): 40549572

約数和(自身を除く): 21184282

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 39521, 79042, 197605, 276647, 395210, 553294, 1383235, 1936529, 2766470, 3873058, 9682645, 19365290]

約数ペア:

[(1, 19365290), (2, 9682645), (5, 3873058), (7, 2766470), (10, 1936529), (14, 1383235), (35, 553294), (49, 395210), (70, 276647), (98, 197605), (245, 79042), (490, 39521)]