189905618

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{1607}}^1$

素因数の和:2006

約数の個数: 32

約数和(自身を含む): 340844544

約数和(自身を除く): 150938926

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 367, 734, 1607, 2569, 3214, 5138, 8441, 11249, 16882, 22498, 36961, 59087, 73922, 118174, 258727, 517454, 589769, 1179538, 4128383, 8256766, 13564687, 27129374, 94952809, 189905618]

約数ペア:

[(1, 189905618), (2, 94952809), (7, 27129374), (14, 13564687), (23, 8256766), (46, 4128383), (161, 1179538), (322, 589769), (367, 517454), (734, 258727), (1607, 118174), (2569, 73922), (3214, 59087), (5138, 36961), (8441, 22498), (11249, 16882)]