19731894

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:605

約数の個数: 64

約数和(自身を含む): 49351680

約数和(自身を除く): 29619786

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 71, 78, 91, 142, 182, 213, 273, 426, 497, 509, 546, 923, 994, 1018, 1491, 1527, 1846, 2769, 2982, 3054, 3563, 5538, 6461, 6617, 7126, 10689, 12922, 13234, 19383, 19851, 21378, 36139, 38766, 39702, 46319, 72278, 92638, 108417, 138957, 216834, 252973, 277914, 469807, 505946, 758919, 939614, 1409421, 1517838, 2818842, 3288649, 6577298, 9865947, 19731894]

約数ペア:

[(1, 19731894), (2, 9865947), (3, 6577298), (6, 3288649), (7, 2818842), (13, 1517838), (14, 1409421), (21, 939614), (26, 758919), (39, 505946), (42, 469807), (71, 277914), (78, 252973), (91, 216834), (142, 138957), (182, 108417), (213, 92638), (273, 72278), (426, 46319), (497, 39702), (509, 38766), (546, 36139), (923, 21378), (994, 19851), (1018, 19383), (1491, 13234), (1527, 12922), (1846, 10689), (2769, 7126), (2982, 6617), (3054, 6461), (3563, 5538)]