19748984

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{79633}}^1$

素因数の和:79670

約数の個数: 16

約数和(自身を含む): 38224320

約数和(自身を除く): 18475336

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 79633, 159266, 318532, 637064, 2468623, 4937246, 9874492, 19748984]

約数ペア:

[(1, 19748984), (2, 9874492), (4, 4937246), (8, 2468623), (31, 637064), (62, 318532), (124, 159266), (248, 79633)]