18934860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{45083}}^1$

素因数の和:45102

約数の個数: 48

約数和(自身を含む): 60592896

約数和(自身を除く): 41658036

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 45083, 90166, 135249, 180332, 225415, 270498, 315581, 450830, 540996, 631162, 676245, 901660, 946743, 1262324, 1352490, 1577905, 1893486, 2704980, 3155810, 3786972, 4733715, 6311620, 9467430, 18934860]

約数ペア:

[(1, 18934860), (2, 9467430), (3, 6311620), (4, 4733715), (5, 3786972), (6, 3155810), (7, 2704980), (10, 1893486), (12, 1577905), (14, 1352490), (15, 1262324), (20, 946743), (21, 901660), (28, 676245), (30, 631162), (35, 540996), (42, 450830), (60, 315581), (70, 270498), (84, 225415), (105, 180332), (140, 135249), (210, 90166), (420, 45083)]