18134864

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{617}}^1$

素因数の和:803

約数の個数: 40

約数和(自身を含む): 38622528

約数和(自身を除く): 20487664

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 167, 176, 334, 617, 668, 1234, 1336, 1837, 2468, 2672, 3674, 4936, 6787, 7348, 9872, 13574, 14696, 27148, 29392, 54296, 103039, 108592, 206078, 412156, 824312, 1133429, 1648624, 2266858, 4533716, 9067432, 18134864]

約数ペア:

[(1, 18134864), (2, 9067432), (4, 4533716), (8, 2266858), (11, 1648624), (16, 1133429), (22, 824312), (44, 412156), (88, 206078), (167, 108592), (176, 103039), (334, 54296), (617, 29392), (668, 27148), (1234, 14696), (1336, 13574), (1837, 9872), (2468, 7348), (2672, 6787), (3674, 4936)]