18682000180

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1931}}^1\times {\mathrm{4987}}^1$

素因数の和:7024

約数の個数: 48

約数和(自身を含む): 39665134656

約数和(自身を除く): 20983134476

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1931, 1940, 3862, 4987, 7724, 9655, 9974, 19310, 19948, 24935, 38620, 49870, 99740, 187307, 374614, 483739, 749228, 936535, 967478, 1873070, 1934956, 2418695, 3746140, 4837390, 9629897, 9674780, 19259794, 38519588, 48149485, 96298970, 192597940, 934100009, 1868200018, 3736400036, 4670500045, 9341000090, 18682000180]

約数ペア:

[(1, 18682000180), (2, 9341000090), (4, 4670500045), (5, 3736400036), (10, 1868200018), (20, 934100009), (97, 192597940), (194, 96298970), (388, 48149485), (485, 38519588), (970, 19259794), (1931, 9674780), (1940, 9629897), (3862, 4837390), (4987, 3746140), (7724, 2418695), (9655, 1934956), (9974, 1873070), (19310, 967478), (19948, 936535), (24935, 749228), (38620, 483739), (49870, 374614), (99740, 187307)]