19279984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{63421}}^1$

素因数の和:63448

約数の個数: 20

約数和(自身を含む): 39321640

約数和(自身を除く): 20041656

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 63421, 126842, 253684, 507368, 1014736, 1204999, 2409998, 4819996, 9639992, 19279984]

約数ペア:

[(1, 19279984), (2, 9639992), (4, 4819996), (8, 2409998), (16, 1204999), (19, 1014736), (38, 507368), (76, 253684), (152, 126842), (304, 63421)]