19223860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^3\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 48

約数和(自身を含む): 42739200

約数和(自身を除く): 23515340

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 395, 460, 529, 790, 1058, 1580, 1817, 2116, 2645, 3634, 5290, 7268, 9085, 10580, 12167, 18170, 24334, 36340, 41791, 48668, 60835, 83582, 121670, 167164, 208955, 243340, 417910, 835820, 961193, 1922386, 3844772, 4805965, 9611930, 19223860]

約数ペア:

[(1, 19223860), (2, 9611930), (4, 4805965), (5, 3844772), (10, 1922386), (20, 961193), (23, 835820), (46, 417910), (79, 243340), (92, 208955), (115, 167164), (158, 121670), (230, 83582), (316, 60835), (395, 48668), (460, 41791), (529, 36340), (790, 24334), (1058, 18170), (1580, 12167), (1817, 10580), (2116, 9085), (2645, 7268), (3634, 5290)]