2019470128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9708991}}^1$

素因数の和:9709012

約数の個数: 20

約数和(自身を含む): 4213702528

約数和(自身を除く): 2194232400

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9708991, 19417982, 38835964, 77671928, 126216883, 155343856, 252433766, 504867532, 1009735064, 2019470128]

約数ペア:

[(1, 2019470128), (2, 1009735064), (4, 504867532), (8, 252433766), (13, 155343856), (16, 126216883), (26, 77671928), (52, 38835964), (104, 19417982), (208, 9708991)]