19722639410

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2131}}^1\times {\mathrm{10399}}^1$

素因数の和:12626

約数の個数: 32

約数和(自身を含む): 35919936000

約数和(自身を除く): 16197296590

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 2131, 4262, 10399, 10655, 20798, 21310, 51995, 103990, 189659, 379318, 925511, 948295, 1851022, 1896590, 4627555, 9255110, 22160269, 44320538, 110801345, 221602690, 1972263941, 3944527882, 9861319705, 19722639410]

約数ペア:

[(1, 19722639410), (2, 9861319705), (5, 3944527882), (10, 1972263941), (89, 221602690), (178, 110801345), (445, 44320538), (890, 22160269), (2131, 9255110), (4262, 4627555), (10399, 1896590), (10655, 1851022), (20798, 948295), (21310, 925511), (51995, 379318), (103990, 189659)]