18815217125

素因数分解:

$5^3\times {\mathrm{149}}^1\times {\mathrm{739}}^1\times {\mathrm{1367}}^1$

素因数の和:2270

約数の個数: 32

約数和(自身を含む): 23688288000

約数和(自身を除く): 4873070875

約数列:

[1, 5, 25, 125, 149, 739, 745, 1367, 3695, 3725, 6835, 18475, 18625, 34175, 92375, 110111, 170875, 203683, 550555, 1010213, 1018415, 2752775, 5051065, 5092075, 13763875, 25255325, 25460375, 126276625, 150521737, 752608685, 3763043425, 18815217125]

約数ペア:

[(1, 18815217125), (5, 3763043425), (25, 752608685), (125, 150521737), (149, 126276625), (739, 25460375), (745, 25255325), (1367, 13763875), (3695, 5092075), (3725, 5051065), (6835, 2752775), (18475, 1018415), (18625, 1010213), (34175, 550555), (92375, 203683), (110111, 170875)]