19935032

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1861}}^1$

素因数の和:1983

約数の個数: 32

約数和(自身を含む): 40666080

約数和(自身を除く): 20731048

約数列:

[1, 2, 4, 8, 13, 26, 52, 103, 104, 206, 412, 824, 1339, 1861, 2678, 3722, 5356, 7444, 10712, 14888, 24193, 48386, 96772, 191683, 193544, 383366, 766732, 1533464, 2491879, 4983758, 9967516, 19935032]

約数ペア:

[(1, 19935032), (2, 9967516), (4, 4983758), (8, 2491879), (13, 1533464), (26, 766732), (52, 383366), (103, 193544), (104, 191683), (206, 96772), (412, 48386), (824, 24193), (1339, 14888), (1861, 10712), (2678, 7444), (3722, 5356)]