1999138218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{16453}}^1$

素因数の和:16739

約数の個数: 64

約数和(自身を含む): 5004122112

約数和(自身を除く): 3004983894

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 263, 462, 526, 789, 1578, 1841, 2893, 3682, 5523, 5786, 8679, 11046, 16453, 17358, 20251, 32906, 40502, 49359, 60753, 98718, 115171, 121506, 180983, 230342, 345513, 361966, 542949, 691026, 1085898, 1266881, 2533762, 3800643, 4327139, 7601286, 8654278, 12981417, 25962834, 30289973, 47598529, 60579946, 90869919, 95197058, 142795587, 181739838, 285591174, 333189703, 666379406, 999569109, 1999138218]

約数ペア:

[(1, 1999138218), (2, 999569109), (3, 666379406), (6, 333189703), (7, 285591174), (11, 181739838), (14, 142795587), (21, 95197058), (22, 90869919), (33, 60579946), (42, 47598529), (66, 30289973), (77, 25962834), (154, 12981417), (231, 8654278), (263, 7601286), (462, 4327139), (526, 3800643), (789, 2533762), (1578, 1266881), (1841, 1085898), (2893, 691026), (3682, 542949), (5523, 361966), (5786, 345513), (8679, 230342), (11046, 180983), (16453, 121506), (17358, 115171), (20251, 98718), (32906, 60753), (40502, 49359)]