19716176

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{20201}}^1$

素因数の和:20270

約数の個数: 20

約数和(自身を含む): 38828244

約数和(自身を除く): 19112068

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 20201, 40402, 80804, 161608, 323216, 1232261, 2464522, 4929044, 9858088, 19716176]

約数ペア:

[(1, 19716176), (2, 9858088), (4, 4929044), (8, 2464522), (16, 1232261), (61, 323216), (122, 161608), (244, 80804), (488, 40402), (976, 20201)]