18739004

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{151121}}^1$

素因数の和:151156

約数の個数: 12

約数和(自身を含む): 33851328

約数和(自身を除く): 15112324

約数列:

[1, 2, 4, 31, 62, 124, 151121, 302242, 604484, 4684751, 9369502, 18739004]

約数ペア:

[(1, 18739004), (2, 9369502), (4, 4684751), (31, 604484), (62, 302242), (124, 151121)]