19003060

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 42134400

約数和(自身を除く): 23131340

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 109, 115, 218, 230, 379, 436, 460, 545, 758, 1090, 1516, 1895, 2180, 2507, 3790, 5014, 7580, 8717, 10028, 12535, 17434, 25070, 34868, 41311, 43585, 50140, 82622, 87170, 165244, 174340, 206555, 413110, 826220, 950153, 1900306, 3800612, 4750765, 9501530, 19003060]

約数ペア:

[(1, 19003060), (2, 9501530), (4, 4750765), (5, 3800612), (10, 1900306), (20, 950153), (23, 826220), (46, 413110), (92, 206555), (109, 174340), (115, 165244), (218, 87170), (230, 82622), (379, 50140), (436, 43585), (460, 41311), (545, 34868), (758, 25070), (1090, 17434), (1516, 12535), (1895, 10028), (2180, 8717), (2507, 7580), (3790, 5014)]