19165716

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 51367680

約数和(自身を除く): 32201964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 79, 92, 138, 158, 207, 237, 276, 293, 316, 414, 474, 586, 711, 828, 879, 948, 1172, 1422, 1758, 1817, 2637, 2844, 3516, 3634, 5274, 5451, 6739, 7268, 10548, 10902, 13478, 16353, 20217, 21804, 23147, 26956, 32706, 40434, 46294, 60651, 65412, 69441, 80868, 92588, 121302, 138882, 208323, 242604, 277764, 416646, 532381, 833292, 1064762, 1597143, 2129524, 3194286, 4791429, 6388572, 9582858, 19165716]

約数ペア:

[(1, 19165716), (2, 9582858), (3, 6388572), (4, 4791429), (6, 3194286), (9, 2129524), (12, 1597143), (18, 1064762), (23, 833292), (36, 532381), (46, 416646), (69, 277764), (79, 242604), (92, 208323), (138, 138882), (158, 121302), (207, 92588), (237, 80868), (276, 69441), (293, 65412), (316, 60651), (414, 46294), (474, 40434), (586, 32706), (711, 26956), (828, 23147), (879, 21804), (948, 20217), (1172, 16353), (1422, 13478), (1758, 10902), (1817, 10548), (2637, 7268), (2844, 6739), (3516, 5451), (3634, 5274)]