18875150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 40473600

約数和(自身を除く): 21598450

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 199, 271, 350, 398, 542, 995, 1355, 1393, 1897, 1990, 2710, 2786, 3794, 4975, 6775, 6965, 9485, 9950, 13550, 13930, 18970, 34825, 47425, 53929, 69650, 94850, 107858, 269645, 377503, 539290, 755006, 1348225, 1887515, 2696450, 3775030, 9437575, 18875150]

約数ペア:

[(1, 18875150), (2, 9437575), (5, 3775030), (7, 2696450), (10, 1887515), (14, 1348225), (25, 755006), (35, 539290), (50, 377503), (70, 269645), (175, 107858), (199, 94850), (271, 69650), (350, 53929), (398, 47425), (542, 34825), (995, 18970), (1355, 13930), (1393, 13550), (1897, 9950), (1990, 9485), (2710, 6965), (2786, 6775), (3794, 4975)]