19708694

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1\times {\mathrm{421}}^1$

素因数の和:775

約数の個数: 16

約数和(自身を含む): 30080160

約数和(自身を除く): 10371466

約数列:

[1, 2, 89, 178, 263, 421, 526, 842, 23407, 37469, 46814, 74938, 110723, 221446, 9854347, 19708694]

約数ペア:

[(1, 19708694), (2, 9854347), (89, 221446), (178, 110723), (263, 74938), (421, 46814), (526, 37469), (842, 23407)]