2191381918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{409}}^1\times {\mathrm{1019}}^1$

素因数の和:1680

約数の個数: 32

約数和(自身を含む): 3613248000

約数和(自身を除く): 1421866082

約数列:

[1, 2, 11, 22, 239, 409, 478, 818, 1019, 2038, 2629, 4499, 5258, 8998, 11209, 22418, 97751, 195502, 243541, 416771, 487082, 833542, 1075261, 2150522, 2678951, 4584481, 5357902, 9168962, 99608269, 199216538, 1095690959, 2191381918]

約数ペア:

[(1, 2191381918), (2, 1095690959), (11, 199216538), (22, 99608269), (239, 9168962), (409, 5357902), (478, 4584481), (818, 2678951), (1019, 2150522), (2038, 1075261), (2629, 833542), (4499, 487082), (5258, 416771), (8998, 243541), (11209, 195502), (22418, 97751)]