19717992

素因数分解:

$2^3\times 3^7\times 7^2\times {\mathrm{23}}^1$

素因数の和:64

約数の個数: 192

約数和(自身を含む): 67305600

約数和(自身を除く): 47587608

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 27, 28, 36, 42, 46, 49, 54, 56, 63, 69, 72, 81, 84, 92, 98, 108, 126, 138, 147, 161, 162, 168, 184, 189, 196, 207, 216, 243, 252, 276, 294, 322, 324, 378, 392, 414, 441, 483, 486, 504, 552, 567, 588, 621, 644, 648, 729, 756, 828, 882, 966, 972, 1127, 1134, 1176, 1242, 1288, 1323, 1449, 1458, 1512, 1656, 1701, 1764, 1863, 1932, 1944, 2187, 2254, 2268, 2484, 2646, 2898, 2916, 3381, 3402, 3528, 3726, 3864, 3969, 4347, 4374, 4508, 4536, 4968, 5103, 5292, 5589, 5796, 5832, 6762, 6804, 7452, 7938, 8694, 8748, 9016, 10143, 10206, 10584, 11178, 11592, 11907, 13041, 13524, 13608, 14904, 15309, 15876, 16767, 17388, 17496, 20286, 20412, 22356, 23814, 26082, 27048, 30429, 30618, 31752, 33534, 34776, 35721, 39123, 40572, 40824, 44712, 47628, 50301, 52164, 60858, 61236, 67068, 71442, 78246, 81144, 91287, 95256, 100602, 104328, 107163, 117369, 121716, 122472, 134136, 142884, 156492, 182574, 201204, 214326, 234738, 243432, 273861, 285768, 312984, 352107, 365148, 402408, 428652, 469476, 547722, 704214, 730296, 821583, 857304, 938952, 1095444, 1408428, 1643166, 2190888, 2464749, 2816856, 3286332, 4929498, 6572664, 9858996, 19717992]

約数ペア:

[(1, 19717992), (2, 9858996), (3, 6572664), (4, 4929498), (6, 3286332), (7, 2816856), (8, 2464749), (9, 2190888), (12, 1643166), (14, 1408428), (18, 1095444), (21, 938952), (23, 857304), (24, 821583), (27, 730296), (28, 704214), (36, 547722), (42, 469476), (46, 428652), (49, 402408), (54, 365148), (56, 352107), (63, 312984), (69, 285768), (72, 273861), (81, 243432), (84, 234738), (92, 214326), (98, 201204), (108, 182574), (126, 156492), (138, 142884), (147, 134136), (161, 122472), (162, 121716), (168, 117369), (184, 107163), (189, 104328), (196, 100602), (207, 95256), (216, 91287), (243, 81144), (252, 78246), (276, 71442), (294, 67068), (322, 61236), (324, 60858), (378, 52164), (392, 50301), (414, 47628), (441, 44712), (483, 40824), (486, 40572), (504, 39123), (552, 35721), (567, 34776), (588, 33534), (621, 31752), (644, 30618), (648, 30429), (729, 27048), (756, 26082), (828, 23814), (882, 22356), (966, 20412), (972, 20286), (1127, 17496), (1134, 17388), (1176, 16767), (1242, 15876), (1288, 15309), (1323, 14904), (1449, 13608), (1458, 13524), (1512, 13041), (1656, 11907), (1701, 11592), (1764, 11178), (1863, 10584), (1932, 10206), (1944, 10143), (2187, 9016), (2254, 8748), (2268, 8694), (2484, 7938), (2646, 7452), (2898, 6804), (2916, 6762), (3381, 5832), (3402, 5796), (3528, 5589), (3726, 5292), (3864, 5103), (3969, 4968), (4347, 4536), (4374, 4508)]