19970294474

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1993}}^1\times {\mathrm{385393}}^1$

素因数の和:387401

約数の個数: 16

約数和(自身を含む): 32275976712

約数和(自身を除く): 12305682238

約数列:

[1, 2, 13, 26, 1993, 3986, 25909, 51818, 385393, 770786, 5010109, 10020218, 768088249, 1536176498, 9985147237, 19970294474]

約数ペア:

[(1, 19970294474), (2, 9985147237), (13, 1536176498), (26, 768088249), (1993, 10020218), (3986, 5010109), (25909, 770786), (51818, 385393)]