17984080

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4783}}^1$

素因数の和:4843

約数の個数: 40

約数和(自身を含む): 42711552

約数和(自身を除く): 24727472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 4783, 9566, 19132, 23915, 38264, 47830, 76528, 95660, 191320, 224801, 382640, 449602, 899204, 1124005, 1798408, 2248010, 3596816, 4496020, 8992040, 17984080]

約数ペア:

[(1, 17984080), (2, 8992040), (4, 4496020), (5, 3596816), (8, 2248010), (10, 1798408), (16, 1124005), (20, 899204), (40, 449602), (47, 382640), (80, 224801), (94, 191320), (188, 95660), (235, 76528), (376, 47830), (470, 38264), (752, 23915), (940, 19132), (1880, 9566), (3760, 4783)]