1821980190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2640551}}^1$

素因数の和:2640584

約数の個数: 32

約数和(自身を含む): 4562873856

約数和(自身を除く): 2740893666

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 2640551, 5281102, 7921653, 13202755, 15843306, 26405510, 39608265, 60732673, 79216530, 121465346, 182198019, 303663365, 364396038, 607326730, 910990095, 1821980190]

約数ペア:

[(1, 1821980190), (2, 910990095), (3, 607326730), (5, 364396038), (6, 303663365), (10, 182198019), (15, 121465346), (23, 79216530), (30, 60732673), (46, 39608265), (69, 26405510), (115, 15843306), (138, 13202755), (230, 7921653), (345, 5281102), (690, 2640551)]