18412767

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 29952000

約数和(自身を除く): 11539233

約数列:

[1, 3, 9, 19, 29, 47, 57, 79, 87, 141, 171, 237, 261, 423, 551, 711, 893, 1363, 1501, 1653, 2291, 2679, 3713, 4089, 4503, 4959, 6873, 8037, 11139, 12267, 13509, 20619, 25897, 33417, 43529, 70547, 77691, 107677, 130587, 211641, 233073, 323031, 391761, 634923, 969093, 2045863, 6137589, 18412767]

約数ペア:

[(1, 18412767), (3, 6137589), (9, 2045863), (19, 969093), (29, 634923), (47, 391761), (57, 323031), (79, 233073), (87, 211641), (141, 130587), (171, 107677), (237, 77691), (261, 70547), (423, 43529), (551, 33417), (711, 25897), (893, 20619), (1363, 13509), (1501, 12267), (1653, 11139), (2291, 8037), (2679, 6873), (3713, 4959), (4089, 4503)]