18118628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21673}}^1$

素因数の和:21707

約数の個数: 24

約数和(自身を含む): 36412320

約数和(自身を除く): 18293692

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 21673, 43346, 86692, 238403, 411787, 476806, 823574, 953612, 1647148, 4529657, 9059314, 18118628]

約数ペア:

[(1, 18118628), (2, 9059314), (4, 4529657), (11, 1647148), (19, 953612), (22, 823574), (38, 476806), (44, 411787), (76, 238403), (209, 86692), (418, 43346), (836, 21673)]