19106178

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4999}}^1$

素因数の和:5031

約数の個数: 48

約数和(自身を含む): 47880000

約数和(自身を除く): 28773822

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 546, 637, 1274, 1911, 3822, 4999, 9998, 14997, 29994, 34993, 64987, 69986, 104979, 129974, 194961, 209958, 244951, 389922, 454909, 489902, 734853, 909818, 1364727, 1469706, 2729454, 3184363, 6368726, 9553089, 19106178]

約数ペア:

[(1, 19106178), (2, 9553089), (3, 6368726), (6, 3184363), (7, 2729454), (13, 1469706), (14, 1364727), (21, 909818), (26, 734853), (39, 489902), (42, 454909), (49, 389922), (78, 244951), (91, 209958), (98, 194961), (147, 129974), (182, 104979), (273, 69986), (294, 64987), (546, 34993), (637, 29994), (1274, 14997), (1911, 9998), (3822, 4999)]