19786855472

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{53768629}}^1$

素因数の和:53768660

約数の個数: 20

約数和(自身を含む): 40003860720

約数和(自身を除く): 20217005248

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 53768629, 107537258, 215074516, 430149032, 860298064, 1236678467, 2473356934, 4946713868, 9893427736, 19786855472]

約数ペア:

[(1, 19786855472), (2, 9893427736), (4, 4946713868), (8, 2473356934), (16, 1236678467), (23, 860298064), (46, 430149032), (92, 215074516), (184, 107537258), (368, 53768629)]