18001113

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1429}}^1$

素因数の和:1481

約数の個数: 32

約数和(自身を含む): 28828800

約数和(自身を除く): 10827687

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 221, 247, 323, 663, 741, 969, 1429, 4199, 4287, 12597, 18577, 24293, 27151, 55731, 72879, 81453, 315809, 352963, 461567, 947427, 1058889, 1384701, 6000371, 18001113]

約数ペア:

[(1, 18001113), (3, 6000371), (13, 1384701), (17, 1058889), (19, 947427), (39, 461567), (51, 352963), (57, 315809), (221, 81453), (247, 72879), (323, 55731), (663, 27151), (741, 24293), (969, 18577), (1429, 12597), (4199, 4287)]