18253802

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 32503680

約数和(自身を除く): 14249878

約数列:

[1, 2, 7, 14, 37, 74, 131, 259, 262, 269, 518, 538, 917, 1834, 1883, 3766, 4847, 9694, 9953, 19906, 33929, 35239, 67858, 69671, 70478, 139342, 246673, 493346, 1303843, 2607686, 9126901, 18253802]

約数ペア:

[(1, 18253802), (2, 9126901), (7, 2607686), (14, 1303843), (37, 493346), (74, 246673), (131, 139342), (259, 70478), (262, 69671), (269, 67858), (518, 35239), (538, 33929), (917, 19906), (1834, 9953), (1883, 9694), (3766, 4847)]