19714215

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 32472576

約数和(自身を除く): 12758361

約数列:

[1, 3, 5, 15, 71, 107, 173, 213, 321, 355, 519, 535, 865, 1065, 1605, 2595, 7597, 12283, 18511, 22791, 36849, 37985, 55533, 61415, 92555, 113955, 184245, 277665, 1314281, 3942843, 6571405, 19714215]

約数ペア:

[(1, 19714215), (3, 6571405), (5, 3942843), (15, 1314281), (71, 277665), (107, 184245), (173, 113955), (213, 92555), (321, 61415), (355, 55533), (519, 37985), (535, 36849), (865, 22791), (1065, 18511), (1605, 12283), (2595, 7597)]