19834544

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{39989}}^1$

素因数の和:40028

約数の個数: 20

約数和(自身を含む): 39670080

約数和(自身を除く): 19835536

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 39989, 79978, 159956, 319912, 639824, 1239659, 2479318, 4958636, 9917272, 19834544]

約数ペア:

[(1, 19834544), (2, 9917272), (4, 4958636), (8, 2479318), (16, 1239659), (31, 639824), (62, 319912), (124, 159956), (248, 79978), (496, 39989)]