19914730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{919}}^1$

素因数の和:1134

約数の個数: 32

約数和(自身を含む): 39346560

約数和(自身を除く): 19431830

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 197, 394, 919, 985, 1838, 1970, 2167, 4334, 4595, 9190, 10109, 10835, 20218, 21670, 50545, 101090, 181043, 362086, 905215, 1810430, 1991473, 3982946, 9957365, 19914730]

約数ペア:

[(1, 19914730), (2, 9957365), (5, 3982946), (10, 1991473), (11, 1810430), (22, 905215), (55, 362086), (110, 181043), (197, 101090), (394, 50545), (919, 21670), (985, 20218), (1838, 10835), (1970, 10109), (2167, 9190), (4334, 4595)]