19183633

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 24938496

約数和(自身を除く): 5754863

約数列:

[1, 7, 17, 23, 43, 119, 161, 163, 301, 391, 731, 989, 1141, 2737, 2771, 3749, 5117, 6923, 7009, 16813, 19397, 26243, 49063, 63733, 117691, 119153, 161207, 446131, 834071, 1128449, 2740519, 19183633]

約数ペア:

[(1, 19183633), (7, 2740519), (17, 1128449), (23, 834071), (43, 446131), (119, 161207), (161, 119153), (163, 117691), (301, 63733), (391, 49063), (731, 26243), (989, 19397), (1141, 16813), (2737, 7009), (2771, 6923), (3749, 5117)]