19791684

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 59439744

約数和(自身を除く): 39648060

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 33, 36, 41, 44, 46, 53, 66, 69, 82, 92, 99, 106, 123, 132, 138, 159, 164, 198, 207, 212, 246, 253, 276, 318, 369, 396, 414, 451, 477, 492, 506, 583, 636, 738, 759, 828, 902, 943, 954, 1012, 1166, 1219, 1353, 1476, 1518, 1749, 1804, 1886, 1908, 2173, 2277, 2332, 2438, 2706, 2829, 3036, 3498, 3657, 3772, 4059, 4346, 4554, 4876, 5247, 5412, 5658, 6519, 6996, 7314, 8118, 8487, 8692, 9108, 10373, 10494, 10971, 11316, 13038, 13409, 14628, 16236, 16974, 19557, 20746, 20988, 21942, 23903, 26076, 26818, 31119, 33948, 39114, 40227, 41492, 43884, 47806, 49979, 53636, 62238, 71709, 78228, 80454, 93357, 95612, 99958, 120681, 124476, 143418, 149937, 160908, 186714, 199916, 215127, 241362, 286836, 299874, 373428, 430254, 449811, 482724, 549769, 599748, 860508, 899622, 1099538, 1649307, 1799244, 2199076, 3298614, 4947921, 6597228, 9895842, 19791684]

約数ペア:

[(1, 19791684), (2, 9895842), (3, 6597228), (4, 4947921), (6, 3298614), (9, 2199076), (11, 1799244), (12, 1649307), (18, 1099538), (22, 899622), (23, 860508), (33, 599748), (36, 549769), (41, 482724), (44, 449811), (46, 430254), (53, 373428), (66, 299874), (69, 286836), (82, 241362), (92, 215127), (99, 199916), (106, 186714), (123, 160908), (132, 149937), (138, 143418), (159, 124476), (164, 120681), (198, 99958), (207, 95612), (212, 93357), (246, 80454), (253, 78228), (276, 71709), (318, 62238), (369, 53636), (396, 49979), (414, 47806), (451, 43884), (477, 41492), (492, 40227), (506, 39114), (583, 33948), (636, 31119), (738, 26818), (759, 26076), (828, 23903), (902, 21942), (943, 20988), (954, 20746), (1012, 19557), (1166, 16974), (1219, 16236), (1353, 14628), (1476, 13409), (1518, 13038), (1749, 11316), (1804, 10971), (1886, 10494), (1908, 10373), (2173, 9108), (2277, 8692), (2332, 8487), (2438, 8118), (2706, 7314), (2829, 6996), (3036, 6519), (3498, 5658), (3657, 5412), (3772, 5247), (4059, 4876), (4346, 4554)]