18874985

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{587}}^1$

素因数の和:760

約数の個数: 16

約数和(自身を含む): 23284800

約数和(自身を除く): 4409815

約数列:

[1, 5, 59, 109, 295, 545, 587, 2935, 6431, 32155, 34633, 63983, 173165, 319915, 3774997, 18874985]

約数ペア:

[(1, 18874985), (5, 3774997), (59, 319915), (109, 173165), (295, 63983), (545, 34633), (587, 32155), (2935, 6431)]