18477864

素因数分解:

$2^3\times 3^2\times {\mathrm{271}}^1\times {\mathrm{947}}^1$

素因数の和:1230

約数の個数: 48

約数和(自身を含む): 50281920

約数和(自身を除く): 31804056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 271, 542, 813, 947, 1084, 1626, 1894, 2168, 2439, 2841, 3252, 3788, 4878, 5682, 6504, 7576, 8523, 9756, 11364, 17046, 19512, 22728, 34092, 68184, 256637, 513274, 769911, 1026548, 1539822, 2053096, 2309733, 3079644, 4619466, 6159288, 9238932, 18477864]

約数ペア:

[(1, 18477864), (2, 9238932), (3, 6159288), (4, 4619466), (6, 3079644), (8, 2309733), (9, 2053096), (12, 1539822), (18, 1026548), (24, 769911), (36, 513274), (72, 256637), (271, 68184), (542, 34092), (813, 22728), (947, 19512), (1084, 17046), (1626, 11364), (1894, 9756), (2168, 8523), (2439, 7576), (2841, 6504), (3252, 5682), (3788, 4878)]