19811968

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{14071}}^1$

素因数の和:14096

約数の個数: 32

約数和(自身を含む): 43060320

約数和(自身を除く): 23248352

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 14071, 28142, 56284, 112568, 154781, 225136, 309562, 450272, 619124, 900544, 1238248, 1801088, 2476496, 4952992, 9905984, 19811968]

約数ペア:

[(1, 19811968), (2, 9905984), (4, 4952992), (8, 2476496), (11, 1801088), (16, 1238248), (22, 900544), (32, 619124), (44, 450272), (64, 309562), (88, 225136), (128, 154781), (176, 112568), (352, 56284), (704, 28142), (1408, 14071)]