18917736

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 50544000

約数和(自身を除く): 31626264

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 199, 204, 233, 398, 408, 466, 597, 699, 796, 932, 1194, 1398, 1592, 1864, 2388, 2796, 3383, 3961, 4776, 5592, 6766, 7922, 10149, 11883, 13532, 15844, 20298, 23766, 27064, 31688, 40596, 46367, 47532, 81192, 92734, 95064, 139101, 185468, 278202, 370936, 556404, 788239, 1112808, 1576478, 2364717, 3152956, 4729434, 6305912, 9458868, 18917736]

約数ペア:

[(1, 18917736), (2, 9458868), (3, 6305912), (4, 4729434), (6, 3152956), (8, 2364717), (12, 1576478), (17, 1112808), (24, 788239), (34, 556404), (51, 370936), (68, 278202), (102, 185468), (136, 139101), (199, 95064), (204, 92734), (233, 81192), (398, 47532), (408, 46367), (466, 40596), (597, 31688), (699, 27064), (796, 23766), (932, 20298), (1194, 15844), (1398, 13532), (1592, 11883), (1864, 10149), (2388, 7922), (2796, 6766), (3383, 5592), (3961, 4776)]