18850875

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{2957}}^1$

素因数の和:2992

約数の個数: 32

約数和(自身を含む): 33224256

約数和(自身を除く): 14373381

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 1275, 2125, 2957, 6375, 8871, 14785, 44355, 50269, 73925, 150807, 221775, 251345, 369625, 754035, 1108875, 1256725, 3770175, 6283625, 18850875]

約数ペア:

[(1, 18850875), (3, 6283625), (5, 3770175), (15, 1256725), (17, 1108875), (25, 754035), (51, 369625), (75, 251345), (85, 221775), (125, 150807), (255, 73925), (375, 50269), (425, 44355), (1275, 14785), (2125, 8871), (2957, 6375)]