18561530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2011}}^1$

素因数の和:2102

約数の個数: 32

約数和(自身を含む): 36505728

約数和(自身を除く): 17944198

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 2011, 4022, 4615, 9230, 10055, 20110, 26143, 52286, 130715, 142781, 261430, 285562, 713905, 1427810, 1856153, 3712306, 9280765, 18561530]

約数ペア:

[(1, 18561530), (2, 9280765), (5, 3712306), (10, 1856153), (13, 1427810), (26, 713905), (65, 285562), (71, 261430), (130, 142781), (142, 130715), (355, 52286), (710, 26143), (923, 20110), (1846, 10055), (2011, 9230), (4022, 4615)]