18300260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{431}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 42239232

約数和(自身を除く): 23938972

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 193, 220, 386, 431, 772, 862, 965, 1724, 1930, 2123, 2155, 3860, 4246, 4310, 4741, 8492, 8620, 9482, 10615, 18964, 21230, 23705, 42460, 47410, 83183, 94820, 166366, 332732, 415915, 831830, 915013, 1663660, 1830026, 3660052, 4575065, 9150130, 18300260]

約数ペア:

[(1, 18300260), (2, 9150130), (4, 4575065), (5, 3660052), (10, 1830026), (11, 1663660), (20, 915013), (22, 831830), (44, 415915), (55, 332732), (110, 166366), (193, 94820), (220, 83183), (386, 47410), (431, 42460), (772, 23705), (862, 21230), (965, 18964), (1724, 10615), (1930, 9482), (2123, 8620), (2155, 8492), (3860, 4741), (4246, 4310)]