18928954

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37409}}^1$

素因数の和:37445

約数の個数: 16

約数和(自身を含む): 32322240

約数和(自身を除く): 13393286

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 37409, 74818, 411499, 822998, 860407, 1720814, 9464477, 18928954]

約数ペア:

[(1, 18928954), (2, 9464477), (11, 1720814), (22, 860407), (23, 822998), (46, 411499), (253, 74818), (506, 37409)]