19991678

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{24203}}^1$

素因数の和:24271

約数の個数: 16

約数和(自身を含む): 34853760

約数和(自身を除く): 14862082

約数列:

[1, 2, 7, 14, 59, 118, 413, 826, 24203, 48406, 169421, 338842, 1427977, 2855954, 9995839, 19991678]

約数ペア:

[(1, 19991678), (2, 9995839), (7, 2855954), (14, 1427977), (59, 338842), (118, 169421), (413, 48406), (826, 24203)]