18781072

素因数分解:

$2^4\times {\mathrm{227}}^1\times {\mathrm{5171}}^1$

素因数の和:5406

約数の個数: 20

約数和(自身を含む): 36555696

約数和(自身を除く): 17774624

約数列:

[1, 2, 4, 8, 16, 227, 454, 908, 1816, 3632, 5171, 10342, 20684, 41368, 82736, 1173817, 2347634, 4695268, 9390536, 18781072]

約数ペア:

[(1, 18781072), (2, 9390536), (4, 4695268), (8, 2347634), (16, 1173817), (227, 82736), (454, 41368), (908, 20684), (1816, 10342), (3632, 5171)]