18781699312

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{10769323}}^1$

素因数の和:10769440

約数の個数: 20

約数和(自身を含む): 36723394840

約数和(自身を除く): 17941695528

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 10769323, 21538646, 43077292, 86154584, 172309168, 1173856207, 2347712414, 4695424828, 9390849656, 18781699312]

約数ペア:

[(1, 18781699312), (2, 9390849656), (4, 4695424828), (8, 2347712414), (16, 1173856207), (109, 172309168), (218, 86154584), (436, 43077292), (872, 21538646), (1744, 10769323)]