18041230

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 33747840

約数和(自身を除く): 15706610

約数列:

[1, 2, 5, 10, 41, 79, 82, 158, 205, 395, 410, 557, 790, 1114, 2785, 3239, 5570, 6478, 16195, 22837, 32390, 44003, 45674, 88006, 114185, 220015, 228370, 440030, 1804123, 3608246, 9020615, 18041230]

約数ペア:

[(1, 18041230), (2, 9020615), (5, 3608246), (10, 1804123), (41, 440030), (79, 228370), (82, 220015), (158, 114185), (205, 88006), (395, 45674), (410, 44003), (557, 32390), (790, 22837), (1114, 16195), (2785, 6478), (3239, 5570)]