18090325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 24685920

約数和(自身を除く): 6595595

約数列:

[1, 5, 11, 25, 55, 157, 275, 419, 785, 1727, 2095, 3925, 4609, 8635, 10475, 23045, 43175, 65783, 115225, 328915, 723613, 1644575, 3618065, 18090325]

約数ペア:

[(1, 18090325), (5, 3618065), (11, 1644575), (25, 723613), (55, 328915), (157, 115225), (275, 65783), (419, 43175), (785, 23045), (1727, 10475), (2095, 8635), (3925, 4609)]