19664934

素因数分解:

$2^1\times 3^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:460

約数の個数: 32

約数和(自身を含む): 40144896

約数和(自身を除く): 20479962

約数列:

[1, 2, 3, 6, 127, 131, 197, 254, 262, 381, 393, 394, 591, 762, 786, 1182, 16637, 25019, 25807, 33274, 49911, 50038, 51614, 75057, 77421, 99822, 150114, 154842, 3277489, 6554978, 9832467, 19664934]

約数ペア:

[(1, 19664934), (2, 9832467), (3, 6554978), (6, 3277489), (127, 154842), (131, 150114), (197, 99822), (254, 77421), (262, 75057), (381, 51614), (393, 50038), (394, 49911), (591, 33274), (762, 25807), (786, 25019), (1182, 16637)]