19558142

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{1093}}^1$

素因数の和:1507

約数の個数: 16

約数和(自身を含む): 30719520

約数和(自身を除く): 11161378

約数列:

[1, 2, 23, 46, 389, 778, 1093, 2186, 8947, 17894, 25139, 50278, 425177, 850354, 9779071, 19558142]

約数ペア:

[(1, 19558142), (2, 9779071), (23, 850354), (46, 425177), (389, 50278), (778, 25139), (1093, 17894), (2186, 8947)]