18878161736

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{5031493}}^1$

素因数の和:5031573

約数の個数: 32

約数和(自身を含む): 41056991040

約数和(自身を除く): 22178829304

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3752, 5031493, 10062986, 20125972, 35220451, 40251944, 70440902, 140881804, 281763608, 337110031, 674220062, 1348440124, 2359770217, 2696880248, 4719540434, 9439080868, 18878161736]

約数ペア:

[(1, 18878161736), (2, 9439080868), (4, 4719540434), (7, 2696880248), (8, 2359770217), (14, 1348440124), (28, 674220062), (56, 337110031), (67, 281763608), (134, 140881804), (268, 70440902), (469, 40251944), (536, 35220451), (938, 20125972), (1876, 10062986), (3752, 5031493)]