19912125

素因数分解:

$3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{1831}}^1$

素因数の和:1878

約数の個数: 32

約数和(自身を含む): 34295040

約数和(自身を除く): 14382915

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 125, 145, 375, 435, 725, 1831, 2175, 3625, 5493, 9155, 10875, 27465, 45775, 53099, 137325, 159297, 228875, 265495, 686625, 796485, 1327475, 3982425, 6637375, 19912125]

約数ペア:

[(1, 19912125), (3, 6637375), (5, 3982425), (15, 1327475), (25, 796485), (29, 686625), (75, 265495), (87, 228875), (125, 159297), (145, 137325), (375, 53099), (435, 45775), (725, 27465), (1831, 10875), (2175, 9155), (3625, 5493)]