18589150

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:289

約数の個数: 48

約数和(自身を含む): 36426240

約数和(自身を除く): 17837090

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 67, 134, 155, 179, 310, 335, 358, 670, 775, 895, 1550, 1675, 1790, 2077, 3350, 4154, 4475, 5549, 8950, 10385, 11098, 11993, 20770, 23986, 27745, 51925, 55490, 59965, 103850, 119930, 138725, 277450, 299825, 371783, 599650, 743566, 1858915, 3717830, 9294575, 18589150]

約数ペア:

[(1, 18589150), (2, 9294575), (5, 3717830), (10, 1858915), (25, 743566), (31, 599650), (50, 371783), (62, 299825), (67, 277450), (134, 138725), (155, 119930), (179, 103850), (310, 59965), (335, 55490), (358, 51925), (670, 27745), (775, 23986), (895, 20770), (1550, 11993), (1675, 11098), (1790, 10385), (2077, 8950), (3350, 5549), (4154, 4475)]