19615904

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:466

約数の個数: 96

約数和(自身を含む): 50803200

約数和(自身を除く): 31187296

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 32, 38, 44, 56, 76, 77, 88, 112, 133, 152, 154, 176, 209, 224, 266, 304, 308, 352, 418, 419, 532, 608, 616, 836, 838, 1064, 1232, 1463, 1672, 1676, 2128, 2464, 2926, 2933, 3344, 3352, 4256, 4609, 5852, 5866, 6688, 6704, 7961, 9218, 11704, 11732, 13408, 15922, 18436, 23408, 23464, 31844, 32263, 36872, 46816, 46928, 55727, 63688, 64526, 73744, 87571, 93856, 111454, 127376, 129052, 147488, 175142, 222908, 254752, 258104, 350284, 445816, 516208, 612997, 700568, 891632, 1032416, 1225994, 1401136, 1783264, 2451988, 2802272, 4903976, 9807952, 19615904]

約数ペア:

[(1, 19615904), (2, 9807952), (4, 4903976), (7, 2802272), (8, 2451988), (11, 1783264), (14, 1401136), (16, 1225994), (19, 1032416), (22, 891632), (28, 700568), (32, 612997), (38, 516208), (44, 445816), (56, 350284), (76, 258104), (77, 254752), (88, 222908), (112, 175142), (133, 147488), (152, 129052), (154, 127376), (176, 111454), (209, 93856), (224, 87571), (266, 73744), (304, 64526), (308, 63688), (352, 55727), (418, 46928), (419, 46816), (532, 36872), (608, 32263), (616, 31844), (836, 23464), (838, 23408), (1064, 18436), (1232, 15922), (1463, 13408), (1672, 11732), (1676, 11704), (2128, 9218), (2464, 7961), (2926, 6704), (2933, 6688), (3344, 5866), (3352, 5852), (4256, 4609)]