19773272

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{40519}}^1$

素因数の和:40586

約数の個数: 16

約数和(自身を含む): 37683600

約数和(自身を除く): 17910328

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 40519, 81038, 162076, 324152, 2471659, 4943318, 9886636, 19773272]

約数ペア:

[(1, 19773272), (2, 9886636), (4, 4943318), (8, 2471659), (61, 324152), (122, 162076), (244, 81038), (488, 40519)]