18654207

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 30387840

約数和(自身を除く): 11733633

約数列:

[1, 3, 11, 13, 33, 39, 59, 67, 121, 143, 177, 201, 363, 429, 649, 737, 767, 871, 1573, 1947, 2211, 2301, 2613, 3953, 4719, 7139, 8107, 8437, 9581, 11859, 21417, 24321, 25311, 28743, 43483, 51389, 92807, 105391, 130449, 154167, 278421, 316173, 478313, 565279, 1434939, 1695837, 6218069, 18654207]

約数ペア:

[(1, 18654207), (3, 6218069), (11, 1695837), (13, 1434939), (33, 565279), (39, 478313), (59, 316173), (67, 278421), (121, 154167), (143, 130449), (177, 105391), (201, 92807), (363, 51389), (429, 43483), (649, 28743), (737, 25311), (767, 24321), (871, 21417), (1573, 11859), (1947, 9581), (2211, 8437), (2301, 8107), (2613, 7139), (3953, 4719)]