18738902

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5419}}^1$

素因数の和:5460

約数の個数: 32

約数和(自身を含む): 36422400

約数和(自身を除く): 17683498

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 5419, 10838, 37933, 70447, 75866, 102961, 140894, 205922, 493129, 720727, 986258, 1338493, 1441454, 2676986, 9369451, 18738902]

約数ペア:

[(1, 18738902), (2, 9369451), (7, 2676986), (13, 1441454), (14, 1338493), (19, 986258), (26, 720727), (38, 493129), (91, 205922), (133, 140894), (182, 102961), (247, 75866), (266, 70447), (494, 37933), (1729, 10838), (3458, 5419)]