19959088

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73379}}^1$

素因数の和:73404

約数の個数: 20

約数和(自身を含む): 40946040

約数和(自身を除く): 20986952

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 73379, 146758, 293516, 587032, 1174064, 1247443, 2494886, 4989772, 9979544, 19959088]

約数ペア:

[(1, 19959088), (2, 9979544), (4, 4989772), (8, 2494886), (16, 1247443), (17, 1174064), (34, 587032), (68, 293516), (136, 146758), (272, 73379)]