2018011650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{433981}}^1$

素因数の和:434027

約数の個数: 48

約数和(自身を含む): 5166121728

約数和(自身を除く): 3148110078

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 31, 50, 62, 75, 93, 150, 155, 186, 310, 465, 775, 930, 1550, 2325, 4650, 433981, 867962, 1301943, 2169905, 2603886, 4339810, 6509715, 10849525, 13019430, 13453411, 21699050, 26906822, 32548575, 40360233, 65097150, 67267055, 80720466, 134534110, 201801165, 336335275, 403602330, 672670550, 1009005825, 2018011650]

約数ペア:

[(1, 2018011650), (2, 1009005825), (3, 672670550), (5, 403602330), (6, 336335275), (10, 201801165), (15, 134534110), (25, 80720466), (30, 67267055), (31, 65097150), (50, 40360233), (62, 32548575), (75, 26906822), (93, 21699050), (150, 13453411), (155, 13019430), (186, 10849525), (310, 6509715), (465, 4339810), (775, 2603886), (930, 2169905), (1550, 1301943), (2325, 867962), (4650, 433981)]