19391284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{440711}}^1$

素因数の和:440726

約数の個数: 12

約数和(自身を含む): 37019808

約数和(自身を除く): 17628524

約数列:

[1, 2, 4, 11, 22, 44, 440711, 881422, 1762844, 4847821, 9695642, 19391284]

約数ペア:

[(1, 19391284), (2, 9695642), (4, 4847821), (11, 1762844), (22, 881422), (44, 440711)]