18989091

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3251}}^1$

素因数の和:3327

約数の個数: 24

約数和(自身を含む): 30438720

約数和(自身を除く): 11449629

約数列:

[1, 3, 9, 11, 33, 59, 99, 177, 531, 649, 1947, 3251, 5841, 9753, 29259, 35761, 107283, 191809, 321849, 575427, 1726281, 2109899, 6329697, 18989091]

約数ペア:

[(1, 18989091), (3, 6329697), (9, 2109899), (11, 1726281), (33, 575427), (59, 321849), (99, 191809), (177, 107283), (531, 35761), (649, 29259), (1947, 9753), (3251, 5841)]