19958572

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{541}}^1$

素因数の和:969

約数の個数: 24

約数和(自身を含む): 36604512

約数和(自身を除く): 16645940

約数列:

[1, 2, 4, 23, 46, 92, 401, 541, 802, 1082, 1604, 2164, 9223, 12443, 18446, 24886, 36892, 49772, 216941, 433882, 867764, 4989643, 9979286, 19958572]

約数ペア:

[(1, 19958572), (2, 9979286), (4, 4989643), (23, 867764), (46, 433882), (92, 216941), (401, 49772), (541, 36892), (802, 24886), (1082, 18446), (1604, 12443), (2164, 9223)]