19785496

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 38335680

約数和(自身を除く): 18550184

約数列:

[1, 2, 4, 8, 47, 94, 101, 188, 202, 376, 404, 521, 808, 1042, 2084, 4168, 4747, 9494, 18988, 24487, 37976, 48974, 52621, 97948, 105242, 195896, 210484, 420968, 2473187, 4946374, 9892748, 19785496]

約数ペア:

[(1, 19785496), (2, 9892748), (4, 4946374), (8, 2473187), (47, 420968), (94, 210484), (101, 195896), (188, 105242), (202, 97948), (376, 52621), (404, 48974), (521, 37976), (808, 24487), (1042, 18988), (2084, 9494), (4168, 4747)]