199441442

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{269}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 320760000

約数和(自身を除く): 121318558

約数列:

[1, 2, 19, 38, 109, 179, 218, 269, 358, 538, 2071, 3401, 4142, 5111, 6802, 10222, 19511, 29321, 39022, 48151, 58642, 96302, 370709, 557099, 741418, 914869, 1114198, 1829738, 5248459, 10496918, 99720721, 199441442]

約数ペア:

[(1, 199441442), (2, 99720721), (19, 10496918), (38, 5248459), (109, 1829738), (179, 1114198), (218, 914869), (269, 741418), (358, 557099), (538, 370709), (2071, 96302), (3401, 58642), (4142, 48151), (5111, 39022), (6802, 29321), (10222, 19511)]