180874946

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{679981}}^1$

素因数の和:680009

約数の個数: 16

約数和(自身を含む): 326391360

約数和(自身を除く): 145516414

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 679981, 1359962, 4759867, 9519734, 12919639, 25839278, 90437473, 180874946]

約数ペア:

[(1, 180874946), (2, 90437473), (7, 25839278), (14, 12919639), (19, 9519734), (38, 4759867), (133, 1359962), (266, 679981)]