19704608

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{727}}^1$

素因数の和:766

約数の個数: 72

約数和(自身を含む): 48799296

約数和(自身を除く): 29094688

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 121, 154, 176, 224, 242, 308, 352, 484, 616, 727, 847, 968, 1232, 1454, 1694, 1936, 2464, 2908, 3388, 3872, 5089, 5816, 6776, 7997, 10178, 11632, 13552, 15994, 20356, 23264, 27104, 31988, 40712, 55979, 63976, 81424, 87967, 111958, 127952, 162848, 175934, 223916, 255904, 351868, 447832, 615769, 703736, 895664, 1231538, 1407472, 1791328, 2463076, 2814944, 4926152, 9852304, 19704608]

約数ペア:

[(1, 19704608), (2, 9852304), (4, 4926152), (7, 2814944), (8, 2463076), (11, 1791328), (14, 1407472), (16, 1231538), (22, 895664), (28, 703736), (32, 615769), (44, 447832), (56, 351868), (77, 255904), (88, 223916), (112, 175934), (121, 162848), (154, 127952), (176, 111958), (224, 87967), (242, 81424), (308, 63976), (352, 55979), (484, 40712), (616, 31988), (727, 27104), (847, 23264), (968, 20356), (1232, 15994), (1454, 13552), (1694, 11632), (1936, 10178), (2464, 7997), (2908, 6776), (3388, 5816), (3872, 5089)]