17883890

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 33022080

約数和(自身を除く): 15138190

約数列:

[1, 2, 5, 10, 97, 103, 179, 194, 206, 358, 485, 515, 895, 970, 1030, 1790, 9991, 17363, 18437, 19982, 34726, 36874, 49955, 86815, 92185, 99910, 173630, 184370, 1788389, 3576778, 8941945, 17883890]

約数ペア:

[(1, 17883890), (2, 8941945), (5, 3576778), (10, 1788389), (97, 184370), (103, 173630), (179, 99910), (194, 92185), (206, 86815), (358, 49955), (485, 36874), (515, 34726), (895, 19982), (970, 18437), (1030, 17363), (1790, 9991)]