18659415809

素因数分解:

${\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1\times {\mathrm{401}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 19969044480

約数和(自身を除く): 1309628671

約数列:

[1, 31, 47, 109, 293, 401, 1457, 3379, 5123, 9083, 12431, 13771, 18847, 31937, 43709, 117493, 158813, 426901, 584257, 990047, 1354979, 1501039, 2054323, 3642283, 5522171, 12806737, 46532209, 63684013, 171187301, 397008847, 601916639, 18659415809]

約数ペア:

[(1, 18659415809), (31, 601916639), (47, 397008847), (109, 171187301), (293, 63684013), (401, 46532209), (1457, 12806737), (3379, 5522171), (5123, 3642283), (9083, 2054323), (12431, 1501039), (13771, 1354979), (18847, 990047), (31937, 584257), (43709, 426901), (117493, 158813)]