19705318

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8501}}^1$

素因数の和:8583

約数の個数: 16

約数和(自身を含む): 31627440

約数和(自身を除く): 11922122

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 8501, 17002, 161519, 323038, 518561, 1037122, 9852659, 19705318]

約数ペア:

[(1, 19705318), (2, 9852659), (19, 1037122), (38, 518561), (61, 323038), (122, 161519), (1159, 17002), (2318, 8501)]