18865264

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2897}}^1$

素因数の和:2953

約数の個数: 40

約数和(自身を含む): 40966128

約数和(自身を除く): 22100864

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 148, 176, 296, 407, 592, 814, 1628, 2897, 3256, 5794, 6512, 11588, 23176, 31867, 46352, 63734, 107189, 127468, 214378, 254936, 428756, 509872, 857512, 1179079, 1715024, 2358158, 4716316, 9432632, 18865264]

約数ペア:

[(1, 18865264), (2, 9432632), (4, 4716316), (8, 2358158), (11, 1715024), (16, 1179079), (22, 857512), (37, 509872), (44, 428756), (74, 254936), (88, 214378), (148, 127468), (176, 107189), (296, 63734), (407, 46352), (592, 31867), (814, 23176), (1628, 11588), (2897, 6512), (3256, 5794)]