18586980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3331}}^1$

素因数の和:3377

約数の個数: 72

約数和(自身を含む): 58216704

約数和(自身を除く): 39629724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 3331, 5580, 6662, 9993, 13324, 16655, 19986, 29979, 33310, 39972, 49965, 59958, 66620, 99930, 103261, 119916, 149895, 199860, 206522, 299790, 309783, 413044, 516305, 599580, 619566, 929349, 1032610, 1239132, 1548915, 1858698, 2065220, 3097830, 3717396, 4646745, 6195660, 9293490, 18586980]

約数ペア:

[(1, 18586980), (2, 9293490), (3, 6195660), (4, 4646745), (5, 3717396), (6, 3097830), (9, 2065220), (10, 1858698), (12, 1548915), (15, 1239132), (18, 1032610), (20, 929349), (30, 619566), (31, 599580), (36, 516305), (45, 413044), (60, 309783), (62, 299790), (90, 206522), (93, 199860), (124, 149895), (155, 119916), (180, 103261), (186, 99930), (279, 66620), (310, 59958), (372, 49965), (465, 39972), (558, 33310), (620, 29979), (930, 19986), (1116, 16655), (1395, 13324), (1860, 9993), (2790, 6662), (3331, 5580)]