18172328

素因数分解:

$2^3\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 36738780

約数和(自身を除く): 18566452

約数列:

[1, 2, 4, 8, 29, 37, 58, 73, 74, 116, 146, 148, 232, 292, 296, 584, 841, 1073, 1682, 2117, 2146, 2701, 3364, 4234, 4292, 5402, 6728, 8468, 8584, 10804, 16936, 21608, 31117, 61393, 62234, 78329, 122786, 124468, 156658, 245572, 248936, 313316, 491144, 626632, 2271541, 4543082, 9086164, 18172328]

約数ペア:

[(1, 18172328), (2, 9086164), (4, 4543082), (8, 2271541), (29, 626632), (37, 491144), (58, 313316), (73, 248936), (74, 245572), (116, 156658), (146, 124468), (148, 122786), (232, 78329), (292, 62234), (296, 61393), (584, 31117), (841, 21608), (1073, 16936), (1682, 10804), (2117, 8584), (2146, 8468), (2701, 6728), (3364, 5402), (4234, 4292)]