12658826

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:326

約数の個数: 24

約数和(自身を含む): 20368260

約数和(自身を除く): 7709434

約数列:

[1, 2, 19, 38, 89, 178, 197, 361, 394, 722, 1691, 3382, 3743, 7486, 17533, 32129, 35066, 64258, 71117, 142234, 333127, 666254, 6329413, 12658826]

約数ペア:

[(1, 12658826), (2, 6329413), (19, 666254), (38, 333127), (89, 142234), (178, 71117), (197, 64258), (361, 35066), (394, 32129), (722, 17533), (1691, 7486), (3382, 3743)]