19902712

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{60679}}^1$

素因数の和:60726

約数の個数: 16

約数和(自身を含む): 38228400

約数和(自身を除く): 18325688

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 60679, 121358, 242716, 485432, 2487839, 4975678, 9951356, 19902712]

約数ペア:

[(1, 19902712), (2, 9951356), (4, 4975678), (8, 2487839), (41, 485432), (82, 242716), (164, 121358), (328, 60679)]