18526980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{167}}^1$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 53428032

約数和(自身を除く): 34901052

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 167, 172, 215, 258, 334, 430, 501, 516, 645, 668, 835, 860, 1002, 1290, 1670, 1849, 2004, 2505, 2580, 3340, 3698, 5010, 5547, 7181, 7396, 9245, 10020, 11094, 14362, 18490, 21543, 22188, 27735, 28724, 35905, 36980, 43086, 55470, 71810, 86172, 107715, 110940, 143620, 215430, 308783, 430860, 617566, 926349, 1235132, 1543915, 1852698, 3087830, 3705396, 4631745, 6175660, 9263490, 18526980]

約数ペア:

[(1, 18526980), (2, 9263490), (3, 6175660), (4, 4631745), (5, 3705396), (6, 3087830), (10, 1852698), (12, 1543915), (15, 1235132), (20, 926349), (30, 617566), (43, 430860), (60, 308783), (86, 215430), (129, 143620), (167, 110940), (172, 107715), (215, 86172), (258, 71810), (334, 55470), (430, 43086), (501, 36980), (516, 35905), (645, 28724), (668, 27735), (835, 22188), (860, 21543), (1002, 18490), (1290, 14362), (1670, 11094), (1849, 10020), (2004, 9245), (2505, 7396), (2580, 7181), (3340, 5547), (3698, 5010)]