18520175

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1039}}^1$

素因数の和:1103

約数の個数: 24

約数和(自身を含む): 24760320

約数和(自身を除く): 6240145

約数列:

[1, 5, 23, 25, 31, 115, 155, 575, 713, 775, 1039, 3565, 5195, 17825, 23897, 25975, 32209, 119485, 161045, 597425, 740807, 805225, 3704035, 18520175]

約数ペア:

[(1, 18520175), (5, 3704035), (23, 805225), (25, 740807), (31, 597425), (115, 161045), (155, 119485), (575, 32209), (713, 25975), (775, 23897), (1039, 17825), (3565, 5195)]