18946135

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 27871200

約数和(自身を除く): 8925065

約数列:

[1, 5, 13, 19, 23, 29, 65, 95, 115, 145, 247, 299, 377, 437, 529, 551, 667, 1235, 1495, 1885, 2185, 2645, 2755, 3335, 5681, 6877, 7163, 8671, 10051, 12673, 15341, 28405, 34385, 35815, 43355, 50255, 63365, 76705, 130663, 164749, 199433, 291479, 653315, 823745, 997165, 1457395, 3789227, 18946135]

約数ペア:

[(1, 18946135), (5, 3789227), (13, 1457395), (19, 997165), (23, 823745), (29, 653315), (65, 291479), (95, 199433), (115, 164749), (145, 130663), (247, 76705), (299, 63365), (377, 50255), (437, 43355), (529, 35815), (551, 34385), (667, 28405), (1235, 15341), (1495, 12673), (1885, 10051), (2185, 8671), (2645, 7163), (2755, 6877), (3335, 5681)]