31718182

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:460

約数の個数: 24

約数和(自身を含む): 50694336

約数和(自身を除く): 18976154

約数列:

[1, 2, 19, 38, 197, 223, 361, 394, 446, 722, 3743, 4237, 7486, 8474, 43931, 71117, 80503, 87862, 142234, 161006, 834689, 1669378, 15859091, 31718182]

約数ペア:

[(1, 31718182), (2, 15859091), (19, 1669378), (38, 834689), (197, 161006), (223, 142234), (361, 87862), (394, 80503), (446, 71117), (722, 43931), (3743, 8474), (4237, 7486)]