19378912

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{727}}^1$

素因数の和:768

約数の個数: 72

約数和(自身を含む): 47056464

約数和(自身を除く): 27677552

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 68, 98, 112, 119, 136, 196, 224, 238, 272, 392, 476, 544, 727, 784, 833, 952, 1454, 1568, 1666, 1904, 2908, 3332, 3808, 5089, 5816, 6664, 10178, 11632, 12359, 13328, 20356, 23264, 24718, 26656, 35623, 40712, 49436, 71246, 81424, 86513, 98872, 142492, 162848, 173026, 197744, 284984, 346052, 395488, 569968, 605591, 692104, 1139936, 1211182, 1384208, 2422364, 2768416, 4844728, 9689456, 19378912]

約数ペア:

[(1, 19378912), (2, 9689456), (4, 4844728), (7, 2768416), (8, 2422364), (14, 1384208), (16, 1211182), (17, 1139936), (28, 692104), (32, 605591), (34, 569968), (49, 395488), (56, 346052), (68, 284984), (98, 197744), (112, 173026), (119, 162848), (136, 142492), (196, 98872), (224, 86513), (238, 81424), (272, 71246), (392, 49436), (476, 40712), (544, 35623), (727, 26656), (784, 24718), (833, 23264), (952, 20356), (1454, 13328), (1568, 12359), (1666, 11632), (1904, 10178), (2908, 6664), (3332, 5816), (3808, 5089)]