18994090

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{307}}^1$

素因数の和:606

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 16931030

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 269, 307, 538, 614, 1345, 1535, 2690, 3070, 6187, 7061, 12374, 14122, 30935, 35305, 61870, 70610, 82583, 165166, 412915, 825830, 1899409, 3798818, 9497045, 18994090]

約数ペア:

[(1, 18994090), (2, 9497045), (5, 3798818), (10, 1899409), (23, 825830), (46, 412915), (115, 165166), (230, 82583), (269, 70610), (307, 61870), (538, 35305), (614, 30935), (1345, 14122), (1535, 12374), (2690, 7061), (3070, 6187)]