19712912908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{1123}}^1$

素因数の和:1431

約数の個数: 96

約数和(自身を含む): 39742841600

約数和(自身を除く): 20029928692

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 109, 163, 218, 247, 326, 436, 494, 652, 988, 1123, 1417, 2071, 2119, 2246, 2834, 3097, 4142, 4238, 4492, 5668, 6194, 8284, 8476, 12388, 14599, 17767, 21337, 26923, 29198, 35534, 40261, 42674, 53846, 58396, 71068, 80522, 85348, 107692, 122407, 161044, 183049, 230971, 244814, 277381, 337573, 366098, 461942, 489628, 554762, 675146, 732196, 923884, 1109524, 1350292, 1591291, 2325733, 2379637, 3182582, 3477931, 4388449, 4651466, 4759274, 6365164, 6955862, 8776898, 9302932, 9518548, 13911724, 17553796, 19952341, 30234529, 39904682, 45213103, 60469058, 79809364, 90426206, 120938116, 180852412, 259380433, 379094479, 518760866, 758188958, 1037521732, 1516377916, 4928228227, 9856456454, 19712912908]

約数ペア:

[(1, 19712912908), (2, 9856456454), (4, 4928228227), (13, 1516377916), (19, 1037521732), (26, 758188958), (38, 518760866), (52, 379094479), (76, 259380433), (109, 180852412), (163, 120938116), (218, 90426206), (247, 79809364), (326, 60469058), (436, 45213103), (494, 39904682), (652, 30234529), (988, 19952341), (1123, 17553796), (1417, 13911724), (2071, 9518548), (2119, 9302932), (2246, 8776898), (2834, 6955862), (3097, 6365164), (4142, 4759274), (4238, 4651466), (4492, 4388449), (5668, 3477931), (6194, 3182582), (8284, 2379637), (8476, 2325733), (12388, 1591291), (14599, 1350292), (17767, 1109524), (21337, 923884), (26923, 732196), (29198, 675146), (35534, 554762), (40261, 489628), (42674, 461942), (53846, 366098), (58396, 337573), (71068, 277381), (80522, 244814), (85348, 230971), (107692, 183049), (122407, 161044)]