18910600

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{4111}}^1$

素因数の和:4150

約数の個数: 48

約数和(自身を含む): 45889920

約数和(自身を除く): 26979320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 184, 200, 230, 460, 575, 920, 1150, 2300, 4111, 4600, 8222, 16444, 20555, 32888, 41110, 82220, 94553, 102775, 164440, 189106, 205550, 378212, 411100, 472765, 756424, 822200, 945530, 1891060, 2363825, 3782120, 4727650, 9455300, 18910600]

約数ペア:

[(1, 18910600), (2, 9455300), (4, 4727650), (5, 3782120), (8, 2363825), (10, 1891060), (20, 945530), (23, 822200), (25, 756424), (40, 472765), (46, 411100), (50, 378212), (92, 205550), (100, 189106), (115, 164440), (184, 102775), (200, 94553), (230, 82220), (460, 41110), (575, 32888), (920, 20555), (1150, 16444), (2300, 8222), (4111, 4600)]