18789101611

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{641}}^1\times {\mathrm{937}}^1$

素因数の和:1735

約数の個数: 32

約数和(自身を含む): 22257164160

約数和(自身を除く): 3468062549

約数列:

[1, 7, 41, 109, 287, 641, 763, 937, 4469, 4487, 6559, 26281, 31283, 38417, 69869, 102133, 183967, 268919, 489083, 600617, 714931, 2864629, 4187453, 4204319, 20052403, 24625297, 29312171, 65467253, 172377079, 458270771, 2684157373, 18789101611]

約数ペア:

[(1, 18789101611), (7, 2684157373), (41, 458270771), (109, 172377079), (287, 65467253), (641, 29312171), (763, 24625297), (937, 20052403), (4469, 4204319), (4487, 4187453), (6559, 2864629), (26281, 714931), (31283, 600617), (38417, 489083), (69869, 268919), (102133, 183967)]