18504530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{373}}^1$

素因数の和:443

約数の個数: 48

約数和(自身を含む): 37604952

約数和(自身を除く): 19100422

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 121, 205, 242, 373, 410, 451, 605, 746, 902, 1210, 1865, 2255, 3730, 4103, 4510, 4961, 8206, 9922, 15293, 20515, 24805, 30586, 41030, 45133, 49610, 76465, 90266, 152930, 168223, 225665, 336446, 451330, 841115, 1682230, 1850453, 3700906, 9252265, 18504530]

約数ペア:

[(1, 18504530), (2, 9252265), (5, 3700906), (10, 1850453), (11, 1682230), (22, 841115), (41, 451330), (55, 336446), (82, 225665), (110, 168223), (121, 152930), (205, 90266), (242, 76465), (373, 49610), (410, 45133), (451, 41030), (605, 30586), (746, 24805), (902, 20515), (1210, 15293), (1865, 9922), (2255, 8206), (3730, 4961), (4103, 4510)]