19512290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{39821}}^1$

素因数の和:39842

約数の個数: 24

約数和(自身を含む): 40857372

約数和(自身を除く): 21345082

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 39821, 79642, 199105, 278747, 398210, 557494, 1393735, 1951229, 2787470, 3902458, 9756145, 19512290]

約数ペア:

[(1, 19512290), (2, 9756145), (5, 3902458), (7, 2787470), (10, 1951229), (14, 1393735), (35, 557494), (49, 398210), (70, 278747), (98, 199105), (245, 79642), (490, 39821)]