19439212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{691}}^1$

素因数の和:1249

約数の個数: 24

約数和(自身を含む): 36756272

約数和(自身を除く): 17317060

約数列:

[1, 2, 4, 13, 26, 52, 541, 691, 1082, 1382, 2164, 2764, 7033, 8983, 14066, 17966, 28132, 35932, 373831, 747662, 1495324, 4859803, 9719606, 19439212]

約数ペア:

[(1, 19439212), (2, 9719606), (4, 4859803), (13, 1495324), (26, 747662), (52, 373831), (541, 35932), (691, 28132), (1082, 17966), (1382, 14066), (2164, 8983), (2764, 7033)]