18534900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1993}}^1$

素因数の和:2041

約数の個数: 72

約数和(自身を含む): 55385344

約数和(自身を除く): 36850444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 75, 93, 100, 124, 150, 155, 186, 300, 310, 372, 465, 620, 775, 930, 1550, 1860, 1993, 2325, 3100, 3986, 4650, 5979, 7972, 9300, 9965, 11958, 19930, 23916, 29895, 39860, 49825, 59790, 61783, 99650, 119580, 123566, 149475, 185349, 199300, 247132, 298950, 308915, 370698, 597900, 617830, 741396, 926745, 1235660, 1544575, 1853490, 3089150, 3706980, 4633725, 6178300, 9267450, 18534900]

約数ペア:

[(1, 18534900), (2, 9267450), (3, 6178300), (4, 4633725), (5, 3706980), (6, 3089150), (10, 1853490), (12, 1544575), (15, 1235660), (20, 926745), (25, 741396), (30, 617830), (31, 597900), (50, 370698), (60, 308915), (62, 298950), (75, 247132), (93, 199300), (100, 185349), (124, 149475), (150, 123566), (155, 119580), (186, 99650), (300, 61783), (310, 59790), (372, 49825), (465, 39860), (620, 29895), (775, 23916), (930, 19930), (1550, 11958), (1860, 9965), (1993, 9300), (2325, 7972), (3100, 5979), (3986, 4650)]