19807616

素因数分解:

$2^7\times {\mathrm{154747}}^1$

素因数の和:154761

約数の個数: 16

約数和(自身を含む): 39460740

約数和(自身を除く): 19653124

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 154747, 309494, 618988, 1237976, 2475952, 4951904, 9903808, 19807616]

約数ペア:

[(1, 19807616), (2, 9903808), (4, 4951904), (8, 2475952), (16, 1237976), (32, 618988), (64, 309494), (128, 154747)]