18039350

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:262

約数の個数: 72

約数和(自身を含む): 40287600

約数和(自身を除く): 22248250

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 37, 49, 50, 70, 74, 98, 175, 185, 199, 245, 259, 350, 370, 398, 490, 518, 925, 995, 1225, 1295, 1393, 1813, 1850, 1990, 2450, 2590, 2786, 3626, 4975, 6475, 6965, 7363, 9065, 9751, 9950, 12950, 13930, 14726, 18130, 19502, 34825, 36815, 45325, 48755, 51541, 69650, 73630, 90650, 97510, 103082, 184075, 243775, 257705, 360787, 368150, 487550, 515410, 721574, 1288525, 1803935, 2577050, 3607870, 9019675, 18039350]

約数ペア:

[(1, 18039350), (2, 9019675), (5, 3607870), (7, 2577050), (10, 1803935), (14, 1288525), (25, 721574), (35, 515410), (37, 487550), (49, 368150), (50, 360787), (70, 257705), (74, 243775), (98, 184075), (175, 103082), (185, 97510), (199, 90650), (245, 73630), (259, 69650), (350, 51541), (370, 48755), (398, 45325), (490, 36815), (518, 34825), (925, 19502), (995, 18130), (1225, 14726), (1295, 13930), (1393, 12950), (1813, 9950), (1850, 9751), (1990, 9065), (2450, 7363), (2590, 6965), (2786, 6475), (3626, 4975)]