19407872

素因数分解:

$2^{10}\times {\mathrm{11}}^1\times {\mathrm{1723}}^1$

素因数の和:1754

約数の個数: 44

約数和(自身を含む): 42348336

約数和(自身を除く): 22940464

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 512, 704, 1024, 1408, 1723, 2816, 3446, 5632, 6892, 11264, 13784, 18953, 27568, 37906, 55136, 75812, 110272, 151624, 220544, 303248, 441088, 606496, 882176, 1212992, 1764352, 2425984, 4851968, 9703936, 19407872]

約数ペア:

[(1, 19407872), (2, 9703936), (4, 4851968), (8, 2425984), (11, 1764352), (16, 1212992), (22, 882176), (32, 606496), (44, 441088), (64, 303248), (88, 220544), (128, 151624), (176, 110272), (256, 75812), (352, 55136), (512, 37906), (704, 27568), (1024, 18953), (1408, 13784), (1723, 11264), (2816, 6892), (3446, 5632)]