19713923138

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{814423}}^1$

素因数の和:814471

約数の個数: 48

約数和(自身を含む): 38994621120

約数和(自身を除く): 19280697982

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 49, 91, 98, 133, 182, 247, 266, 494, 637, 931, 1274, 1729, 1862, 3458, 12103, 24206, 814423, 1628846, 5700961, 10587499, 11401922, 15474037, 21174998, 30948074, 39906727, 74112493, 79813454, 108318259, 148224986, 201162481, 216636518, 402324962, 518787451, 758227813, 1037574902, 1408137367, 1516455626, 2816274734, 9856961569, 19713923138]

約数ペア:

[(1, 19713923138), (2, 9856961569), (7, 2816274734), (13, 1516455626), (14, 1408137367), (19, 1037574902), (26, 758227813), (38, 518787451), (49, 402324962), (91, 216636518), (98, 201162481), (133, 148224986), (182, 108318259), (247, 79813454), (266, 74112493), (494, 39906727), (637, 30948074), (931, 21174998), (1274, 15474037), (1729, 11401922), (1862, 10587499), (3458, 5700961), (12103, 1628846), (24206, 814423)]