19919174

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{29207}}^1$

素因数の和:29251

約数の個数: 16

約数和(自身を含む): 33647616

約数和(自身を除く): 13728442

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 29207, 58414, 321277, 642554, 905417, 1810834, 9959587, 19919174]

約数ペア:

[(1, 19919174), (2, 9959587), (11, 1810834), (22, 905417), (31, 642554), (62, 321277), (341, 58414), (682, 29207)]