19917590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25867}}^1$

素因数の和:25892

約数の個数: 32

約数和(自身を含む): 44699904

約数和(自身を除く): 24782314

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 25867, 51734, 129335, 181069, 258670, 284537, 362138, 569074, 905345, 1422685, 1810690, 1991759, 2845370, 3983518, 9958795, 19917590]

約数ペア:

[(1, 19917590), (2, 9958795), (5, 3983518), (7, 2845370), (10, 1991759), (11, 1810690), (14, 1422685), (22, 905345), (35, 569074), (55, 362138), (70, 284537), (77, 258670), (110, 181069), (154, 129335), (385, 51734), (770, 25867)]