12089890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{197}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 24441912

約数和(自身を除く): 12352022

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 197, 323, 361, 394, 646, 722, 985, 1615, 1805, 1970, 3230, 3349, 3610, 3743, 6137, 6698, 7486, 12274, 16745, 18715, 30685, 33490, 37430, 61370, 63631, 71117, 127262, 142234, 318155, 355585, 636310, 711170, 1208989, 2417978, 6044945, 12089890]

約数ペア:

[(1, 12089890), (2, 6044945), (5, 2417978), (10, 1208989), (17, 711170), (19, 636310), (34, 355585), (38, 318155), (85, 142234), (95, 127262), (170, 71117), (190, 63631), (197, 61370), (323, 37430), (361, 33490), (394, 30685), (646, 18715), (722, 16745), (985, 12274), (1615, 7486), (1805, 6698), (1970, 6137), (3230, 3743), (3349, 3610)]