19975422

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1279}}^1$

素因数の和:1440

約数の個数: 32

約数和(自身を含む): 42393600

約数和(自身を除く): 22418178

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 137, 274, 411, 822, 1279, 2558, 2603, 3837, 5206, 7674, 7809, 15618, 24301, 48602, 72903, 145806, 175223, 350446, 525669, 1051338, 3329237, 6658474, 9987711, 19975422]

約数ペア:

[(1, 19975422), (2, 9987711), (3, 6658474), (6, 3329237), (19, 1051338), (38, 525669), (57, 350446), (114, 175223), (137, 145806), (274, 72903), (411, 48602), (822, 24301), (1279, 15618), (2558, 7809), (2603, 7674), (3837, 5206)]