19983154

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1\times {\mathrm{643}}^1$

素因数の和:1065

約数の個数: 16

約数和(自身を含む): 30834720

約数和(自身を除く): 10851566

約数列:

[1, 2, 41, 82, 379, 643, 758, 1286, 15539, 26363, 31078, 52726, 243697, 487394, 9991577, 19983154]

約数ペア:

[(1, 19983154), (2, 9991577), (41, 487394), (82, 243697), (379, 52726), (643, 31078), (758, 26363), (1286, 15539)]