18999050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2857}}^1$

素因数の和:2895

約数の個数: 48

約数和(自身を含む): 42527040

約数和(自身を除く): 23527990

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 50, 70, 95, 133, 175, 190, 266, 350, 475, 665, 950, 1330, 2857, 3325, 5714, 6650, 14285, 19999, 28570, 39998, 54283, 71425, 99995, 108566, 142850, 199990, 271415, 379981, 499975, 542830, 759962, 999950, 1357075, 1899905, 2714150, 3799810, 9499525, 18999050]

約数ペア:

[(1, 18999050), (2, 9499525), (5, 3799810), (7, 2714150), (10, 1899905), (14, 1357075), (19, 999950), (25, 759962), (35, 542830), (38, 499975), (50, 379981), (70, 271415), (95, 199990), (133, 142850), (175, 108566), (190, 99995), (266, 71425), (350, 54283), (475, 39998), (665, 28570), (950, 19999), (1330, 14285), (2857, 6650), (3325, 5714)]