18819542

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:564

約数の個数: 32

約数和(自身を含む): 33705984

約数和(自身を除く): 14886442

約数列:

[1, 2, 7, 14, 31, 62, 103, 206, 217, 421, 434, 721, 842, 1442, 2947, 3193, 5894, 6386, 13051, 22351, 26102, 43363, 44702, 86726, 91357, 182714, 303541, 607082, 1344253, 2688506, 9409771, 18819542]

約数ペア:

[(1, 18819542), (2, 9409771), (7, 2688506), (14, 1344253), (31, 607082), (62, 303541), (103, 182714), (206, 91357), (217, 86726), (421, 44702), (434, 43363), (721, 26102), (842, 22351), (1442, 13051), (2947, 6386), (3193, 5894)]