19713746

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{1801}}^1$

素因数の和:2237

約数の個数: 16

約数和(自身を含む): 31938648

約数和(自身を除く): 12224902

約数列:

[1, 2, 13, 26, 421, 842, 1801, 3602, 5473, 10946, 23413, 46826, 758221, 1516442, 9856873, 19713746]

約数ペア:

[(1, 19713746), (2, 9856873), (13, 1516442), (26, 758221), (421, 46826), (842, 23413), (1801, 10946), (3602, 5473)]