19539472

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{16729}}^1$

素因数の和:16810

約数の個数: 20

約数和(自身を含む): 38378620

約数和(自身を除く): 18839148

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 16729, 33458, 66916, 133832, 267664, 1221217, 2442434, 4884868, 9769736, 19539472]

約数ペア:

[(1, 19539472), (2, 9769736), (4, 4884868), (8, 2442434), (16, 1221217), (73, 267664), (146, 133832), (292, 66916), (584, 33458), (1168, 16729)]