19801132

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{3697}}^1$

素因数の和:3817

約数の個数: 24

約数和(自身を含む): 37690016

約数和(自身を除く): 17888884

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 412, 1339, 2678, 3697, 5356, 7394, 14788, 48061, 96122, 192244, 380791, 761582, 1523164, 4950283, 9900566, 19801132]

約数ペア:

[(1, 19801132), (2, 9900566), (4, 4950283), (13, 1523164), (26, 761582), (52, 380791), (103, 192244), (206, 96122), (412, 48061), (1339, 14788), (2678, 7394), (3697, 5356)]