19895274

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:201

約数の個数: 96

約数和(自身を含む): 52640640

約数和(自身を除く): 32745366

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 73, 98, 103, 126, 146, 147, 189, 206, 219, 294, 309, 378, 438, 441, 511, 618, 657, 721, 882, 927, 1022, 1314, 1323, 1442, 1533, 1854, 1971, 2163, 2646, 2781, 3066, 3577, 3942, 4326, 4599, 5047, 5562, 6489, 7154, 7519, 9198, 10094, 10731, 12978, 13797, 15038, 15141, 19467, 21462, 22557, 27594, 30282, 32193, 38934, 45114, 45423, 52633, 64386, 67671, 90846, 96579, 105266, 135342, 136269, 157899, 193158, 203013, 272538, 315798, 368431, 406026, 473697, 736862, 947394, 1105293, 1421091, 2210586, 2842182, 3315879, 6631758, 9947637, 19895274]

約数ペア:

[(1, 19895274), (2, 9947637), (3, 6631758), (6, 3315879), (7, 2842182), (9, 2210586), (14, 1421091), (18, 1105293), (21, 947394), (27, 736862), (42, 473697), (49, 406026), (54, 368431), (63, 315798), (73, 272538), (98, 203013), (103, 193158), (126, 157899), (146, 136269), (147, 135342), (189, 105266), (206, 96579), (219, 90846), (294, 67671), (309, 64386), (378, 52633), (438, 45423), (441, 45114), (511, 38934), (618, 32193), (657, 30282), (721, 27594), (882, 22557), (927, 21462), (1022, 19467), (1314, 15141), (1323, 15038), (1442, 13797), (1533, 12978), (1854, 10731), (1971, 10094), (2163, 9198), (2646, 7519), (2781, 7154), (3066, 6489), (3577, 5562), (3942, 5047), (4326, 4599)]