18316550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{887}}^1$

素因数の和:965

約数の個数: 48

約数和(自身を含む): 39640320

約数和(自身を除く): 21323770

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 59, 70, 118, 175, 295, 350, 413, 590, 826, 887, 1475, 1774, 2065, 2950, 4130, 4435, 6209, 8870, 10325, 12418, 20650, 22175, 31045, 44350, 52333, 62090, 104666, 155225, 261665, 310450, 366331, 523330, 732662, 1308325, 1831655, 2616650, 3663310, 9158275, 18316550]

約数ペア:

[(1, 18316550), (2, 9158275), (5, 3663310), (7, 2616650), (10, 1831655), (14, 1308325), (25, 732662), (35, 523330), (50, 366331), (59, 310450), (70, 261665), (118, 155225), (175, 104666), (295, 62090), (350, 52333), (413, 44350), (590, 31045), (826, 22175), (887, 20650), (1475, 12418), (1774, 10325), (2065, 8870), (2950, 6209), (4130, 4435)]