19468124

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{929}}^1$

素因数の和:990

約数の個数: 36

約数和(自身を含む): 38122560

約数和(自身を除く): 18654436

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 169, 338, 403, 676, 806, 929, 1612, 1858, 3716, 5239, 10478, 12077, 20956, 24154, 28799, 48308, 57598, 115196, 157001, 314002, 374387, 628004, 748774, 1497548, 4867031, 9734062, 19468124]

約数ペア:

[(1, 19468124), (2, 9734062), (4, 4867031), (13, 1497548), (26, 748774), (31, 628004), (52, 374387), (62, 314002), (124, 157001), (169, 115196), (338, 57598), (403, 48308), (676, 28799), (806, 24154), (929, 20956), (1612, 12077), (1858, 10478), (3716, 5239)]