19659344

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{72277}}^1$

素因数の和:72302

約数の個数: 20

約数和(自身を含む): 40331124

約数和(自身を除く): 20671780

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 72277, 144554, 289108, 578216, 1156432, 1228709, 2457418, 4914836, 9829672, 19659344]

約数ペア:

[(1, 19659344), (2, 9829672), (4, 4914836), (8, 2457418), (16, 1228709), (17, 1156432), (34, 578216), (68, 289108), (136, 144554), (272, 72277)]