2018086518

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1\times {\mathrm{1277}}^1$

素因数の和:1677

約数の個数: 64

約数和(自身を含む): 4664107008

約数和(自身を除く): 2646020490

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 191, 197, 382, 394, 573, 591, 1146, 1182, 1277, 1337, 1379, 2554, 2674, 2758, 3831, 4011, 4137, 7662, 8022, 8274, 8939, 17878, 26817, 37627, 53634, 75254, 112881, 225762, 243907, 251569, 263389, 487814, 503138, 526778, 731721, 754707, 790167, 1463442, 1509414, 1580334, 1707349, 1760983, 3414698, 3521966, 5122047, 5282949, 10244094, 10565898, 48049679, 96099358, 144149037, 288298074, 336347753, 672695506, 1009043259, 2018086518]

約数ペア:

[(1, 2018086518), (2, 1009043259), (3, 672695506), (6, 336347753), (7, 288298074), (14, 144149037), (21, 96099358), (42, 48049679), (191, 10565898), (197, 10244094), (382, 5282949), (394, 5122047), (573, 3521966), (591, 3414698), (1146, 1760983), (1182, 1707349), (1277, 1580334), (1337, 1509414), (1379, 1463442), (2554, 790167), (2674, 754707), (2758, 731721), (3831, 526778), (4011, 503138), (4137, 487814), (7662, 263389), (8022, 251569), (8274, 243907), (8939, 225762), (17878, 112881), (26817, 75254), (37627, 53634)]