18123567

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1171}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 30603264

約数和(自身を除く): 12479697

約数列:

[1, 3, 7, 11, 21, 33, 67, 77, 201, 231, 469, 737, 1171, 1407, 2211, 3513, 5159, 8197, 12881, 15477, 24591, 38643, 78457, 90167, 235371, 270501, 549199, 863027, 1647597, 2589081, 6041189, 18123567]

約数ペア:

[(1, 18123567), (3, 6041189), (7, 2589081), (11, 1647597), (21, 863027), (33, 549199), (67, 270501), (77, 235371), (201, 90167), (231, 78457), (469, 38643), (737, 24591), (1171, 15477), (1407, 12881), (2211, 8197), (3513, 5159)]