18260460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{443}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 55757520

約数和(自身を除く): 37497060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 229, 443, 458, 687, 886, 916, 1145, 1329, 1374, 1772, 2061, 2215, 2290, 2658, 2748, 3435, 3987, 4122, 4430, 4580, 5316, 6645, 6870, 7974, 8244, 8860, 10305, 13290, 13740, 15948, 19935, 20610, 26580, 39870, 41220, 79740, 101447, 202894, 304341, 405788, 507235, 608682, 913023, 1014470, 1217364, 1521705, 1826046, 2028940, 3043410, 3652092, 4565115, 6086820, 9130230, 18260460]

約数ペア:

[(1, 18260460), (2, 9130230), (3, 6086820), (4, 4565115), (5, 3652092), (6, 3043410), (9, 2028940), (10, 1826046), (12, 1521705), (15, 1217364), (18, 1014470), (20, 913023), (30, 608682), (36, 507235), (45, 405788), (60, 304341), (90, 202894), (180, 101447), (229, 79740), (443, 41220), (458, 39870), (687, 26580), (886, 20610), (916, 19935), (1145, 15948), (1329, 13740), (1374, 13290), (1772, 10305), (2061, 8860), (2215, 8244), (2290, 7974), (2658, 6870), (2748, 6645), (3435, 5316), (3987, 4580), (4122, 4430)]