19783730

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 37034928

約数和(自身を除く): 17251198

約数列:

[1, 2, 5, 10, 41, 73, 82, 146, 205, 365, 410, 661, 730, 1322, 2993, 3305, 5986, 6610, 14965, 27101, 29930, 48253, 54202, 96506, 135505, 241265, 271010, 482530, 1978373, 3956746, 9891865, 19783730]

約数ペア:

[(1, 19783730), (2, 9891865), (5, 3956746), (10, 1978373), (41, 482530), (73, 271010), (82, 241265), (146, 135505), (205, 96506), (365, 54202), (410, 48253), (661, 29930), (730, 27101), (1322, 14965), (2993, 6610), (3305, 5986)]