19635536

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{13789}}^1$

素因数の和:13886

約数の個数: 20

約数和(自身を含む): 38474100

約数和(自身を除く): 18838564

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 13789, 27578, 55156, 110312, 220624, 1227221, 2454442, 4908884, 9817768, 19635536]

約数ペア:

[(1, 19635536), (2, 9817768), (4, 4908884), (8, 2454442), (16, 1227221), (89, 220624), (178, 110312), (356, 55156), (712, 27578), (1424, 13789)]