19917524

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{452671}}^1$

素因数の和:452686

約数の個数: 12

約数和(自身を含む): 38024448

約数和(自身を除く): 18106924

約数列:

[1, 2, 4, 11, 22, 44, 452671, 905342, 1810684, 4979381, 9958762, 19917524]

約数ペア:

[(1, 19917524), (2, 9958762), (4, 4979381), (11, 1810684), (22, 905342), (44, 452671)]