19842130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 45266688

約数和(自身を除く): 25424558

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 73, 77, 110, 146, 154, 353, 365, 385, 511, 706, 730, 770, 803, 1022, 1606, 1765, 2471, 2555, 3530, 3883, 4015, 4942, 5110, 5621, 7766, 8030, 11242, 12355, 19415, 24710, 25769, 27181, 28105, 38830, 51538, 54362, 56210, 128845, 135905, 180383, 257690, 271810, 283459, 360766, 566918, 901915, 1417295, 1803830, 1984213, 2834590, 3968426, 9921065, 19842130]

約数ペア:

[(1, 19842130), (2, 9921065), (5, 3968426), (7, 2834590), (10, 1984213), (11, 1803830), (14, 1417295), (22, 901915), (35, 566918), (55, 360766), (70, 283459), (73, 271810), (77, 257690), (110, 180383), (146, 135905), (154, 128845), (353, 56210), (365, 54362), (385, 51538), (511, 38830), (706, 28105), (730, 27181), (770, 25769), (803, 24710), (1022, 19415), (1606, 12355), (1765, 11242), (2471, 8030), (2555, 7766), (3530, 5621), (3883, 5110), (4015, 4942)]