19827272

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{60449}}^1$

素因数の和:60496

約数の個数: 16

約数和(自身を含む): 38083500

約数和(自身を除く): 18256228

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 60449, 120898, 241796, 483592, 2478409, 4956818, 9913636, 19827272]

約数ペア:

[(1, 19827272), (2, 9913636), (4, 4956818), (8, 2478409), (41, 483592), (82, 241796), (164, 120898), (328, 60449)]