18732420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{14867}}^1$

素因数の和:14889

約数の個数: 72

約数和(自身を含む): 64943424

約数和(自身を除く): 46211004

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 14867, 29734, 44601, 59468, 74335, 89202, 104069, 133803, 148670, 178404, 208138, 223005, 267606, 297340, 312207, 416276, 446010, 520345, 535212, 624414, 669015, 892020, 936621, 1040690, 1248828, 1338030, 1561035, 1873242, 2081380, 2676060, 3122070, 3746484, 4683105, 6244140, 9366210, 18732420]

約数ペア:

[(1, 18732420), (2, 9366210), (3, 6244140), (4, 4683105), (5, 3746484), (6, 3122070), (7, 2676060), (9, 2081380), (10, 1873242), (12, 1561035), (14, 1338030), (15, 1248828), (18, 1040690), (20, 936621), (21, 892020), (28, 669015), (30, 624414), (35, 535212), (36, 520345), (42, 446010), (45, 416276), (60, 312207), (63, 297340), (70, 267606), (84, 223005), (90, 208138), (105, 178404), (126, 148670), (140, 133803), (180, 104069), (210, 89202), (252, 74335), (315, 59468), (420, 44601), (630, 29734), (1260, 14867)]