19020738

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{7789}}^1$

素因数の和:7842

約数の個数: 32

約数和(自身を含む): 42626880

約数和(自身を除く): 23606142

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 222, 407, 814, 1221, 2442, 7789, 15578, 23367, 46734, 85679, 171358, 257037, 288193, 514074, 576386, 864579, 1729158, 3170123, 6340246, 9510369, 19020738]

約数ペア:

[(1, 19020738), (2, 9510369), (3, 6340246), (6, 3170123), (11, 1729158), (22, 864579), (33, 576386), (37, 514074), (66, 288193), (74, 257037), (111, 171358), (222, 85679), (407, 46734), (814, 23367), (1221, 15578), (2442, 7789)]