19678208

素因数分解:

$2^{10}\times {\mathrm{11}}^1\times {\mathrm{1747}}^1$

素因数の和:1778

約数の個数: 44

約数和(自身を含む): 42937872

約数和(自身を除く): 23259664

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 512, 704, 1024, 1408, 1747, 2816, 3494, 5632, 6988, 11264, 13976, 19217, 27952, 38434, 55904, 76868, 111808, 153736, 223616, 307472, 447232, 614944, 894464, 1229888, 1788928, 2459776, 4919552, 9839104, 19678208]

約数ペア:

[(1, 19678208), (2, 9839104), (4, 4919552), (8, 2459776), (11, 1788928), (16, 1229888), (22, 894464), (32, 614944), (44, 447232), (64, 307472), (88, 223616), (128, 153736), (176, 111808), (256, 76868), (352, 55904), (512, 38434), (704, 27952), (1024, 19217), (1408, 13976), (1747, 11264), (2816, 6988), (3494, 5632)]