18577269

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{12071}}^1$

素因数の和:12102

約数の個数: 20

約数和(自身を含む): 29214240

約数和(自身を除く): 10636971

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 12071, 36213, 108639, 229349, 325917, 688047, 977751, 2064141, 6192423, 18577269]

約数ペア:

[(1, 18577269), (3, 6192423), (9, 2064141), (19, 977751), (27, 688047), (57, 325917), (81, 229349), (171, 108639), (513, 36213), (1539, 12071)]