18885978503

素因数分解:

$7^1\times {\mathrm{31}}^2\times {\mathrm{1439}}^1\times {\mathrm{1951}}^1$

素因数の和:3459

約数の個数: 24

約数和(自身を含む): 22329630720

約数和(自身を除く): 3443652217

約数列:

[1, 7, 31, 217, 961, 1439, 1951, 6727, 10073, 13657, 44609, 60481, 312263, 423367, 1382879, 1874911, 2807489, 9680153, 13124377, 19652423, 87032159, 609225113, 2697996929, 18885978503]

約数ペア:

[(1, 18885978503), (7, 2697996929), (31, 609225113), (217, 87032159), (961, 19652423), (1439, 13124377), (1951, 9680153), (6727, 2807489), (10073, 1874911), (13657, 1382879), (44609, 423367), (60481, 312263)]