19869814

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 32503680

約数和(自身を除く): 12633866

約数列:

[1, 2, 29, 37, 47, 58, 74, 94, 197, 394, 1073, 1363, 1739, 2146, 2726, 3478, 5713, 7289, 9259, 11426, 14578, 18518, 50431, 100862, 211381, 268511, 342583, 422762, 537022, 685166, 9934907, 19869814]

約数ペア:

[(1, 19869814), (2, 9934907), (29, 685166), (37, 537022), (47, 422762), (58, 342583), (74, 268511), (94, 211381), (197, 100862), (394, 50431), (1073, 18518), (1363, 14578), (1739, 11426), (2146, 9259), (2726, 7289), (3478, 5713)]