19997534

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{2879}}^1$

素因数の和:3055

約数の個数: 16

約数和(自身を含む): 31518720

約数和(自身を除く): 11521186

約数列:

[1, 2, 23, 46, 151, 302, 2879, 3473, 5758, 6946, 66217, 132434, 434729, 869458, 9998767, 19997534]

約数ペア:

[(1, 19997534), (2, 9998767), (23, 869458), (46, 434729), (151, 132434), (302, 66217), (2879, 6946), (3473, 5758)]