18929517

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{1553}}^1$

素因数の和:1812

約数の個数: 16

約数和(自身を含む): 26853120

約数和(自身を除く): 7923603

約数列:

[1, 3, 17, 51, 239, 717, 1553, 4063, 4659, 12189, 26401, 79203, 371167, 1113501, 6309839, 18929517]

約数ペア:

[(1, 18929517), (3, 6309839), (17, 1113501), (51, 371167), (239, 79203), (717, 26401), (1553, 12189), (4063, 4659)]