18437350

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:337

約数の個数: 48

約数和(自身を含む): 36828000

約数和(自身を除く): 18390650

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 109, 170, 199, 218, 398, 425, 545, 850, 995, 1090, 1853, 1990, 2725, 3383, 3706, 4975, 5450, 6766, 9265, 9950, 16915, 18530, 21691, 33830, 43382, 46325, 84575, 92650, 108455, 169150, 216910, 368747, 542275, 737494, 1084550, 1843735, 3687470, 9218675, 18437350]

約数ペア:

[(1, 18437350), (2, 9218675), (5, 3687470), (10, 1843735), (17, 1084550), (25, 737494), (34, 542275), (50, 368747), (85, 216910), (109, 169150), (170, 108455), (199, 92650), (218, 84575), (398, 46325), (425, 43382), (545, 33830), (850, 21691), (995, 18530), (1090, 16915), (1853, 9950), (1990, 9265), (2725, 6766), (3383, 5450), (3706, 4975)]