19161728

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{7879}}^1$

素因数の和:7912

約数の個数: 32

約数和(自身を含む): 40188000

約数和(自身を除く): 21026272

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 7879, 15758, 31516, 63032, 126064, 149701, 252128, 299402, 504256, 598804, 1008512, 1197608, 2395216, 4790432, 9580864, 19161728]

約数ペア:

[(1, 19161728), (2, 9580864), (4, 4790432), (8, 2395216), (16, 1197608), (19, 1008512), (32, 598804), (38, 504256), (64, 299402), (76, 252128), (128, 149701), (152, 126064), (304, 63032), (608, 31516), (1216, 15758), (2432, 7879)]