19489652

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7649}}^1$

素因数の和:7680

約数の個数: 36

約数和(自身を含む): 42732900

約数和(自身を除く): 23243248

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 7649, 15298, 30596, 53543, 99437, 107086, 198874, 214172, 374801, 397748, 696059, 749602, 1392118, 1499204, 2784236, 4872413, 9744826, 19489652]

約数ペア:

[(1, 19489652), (2, 9744826), (4, 4872413), (7, 2784236), (13, 1499204), (14, 1392118), (26, 749602), (28, 696059), (49, 397748), (52, 374801), (91, 214172), (98, 198874), (182, 107086), (196, 99437), (364, 53543), (637, 30596), (1274, 15298), (2548, 7649)]