19773842

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{10099}}^1$

素因数の和:10201

約数の個数: 16

約数和(自身を含む): 32724000

約数和(自身を除く): 12950158

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 10099, 20198, 111089, 222178, 898811, 1797622, 9886921, 19773842]

約数ペア:

[(1, 19773842), (2, 9886921), (11, 1797622), (22, 898811), (89, 222178), (178, 111089), (979, 20198), (1958, 10099)]