18780478

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{587}}^1\times {\mathrm{941}}^1$

素因数の和:1547

約数の個数: 16

約数和(自身を含む): 29910384

約数和(自身を除く): 11129906

約数列:

[1, 2, 17, 34, 587, 941, 1174, 1882, 9979, 15997, 19958, 31994, 552367, 1104734, 9390239, 18780478]

約数ペア:

[(1, 18780478), (2, 9390239), (17, 1104734), (34, 552367), (587, 31994), (941, 19958), (1174, 15997), (1882, 9979)]