18220584

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 48211200

約数和(自身を除く): 29990616

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 47, 58, 87, 94, 116, 141, 174, 188, 232, 282, 348, 376, 557, 564, 696, 1114, 1128, 1363, 1671, 2228, 2726, 3342, 4089, 4456, 5452, 6684, 8178, 10904, 13368, 16153, 16356, 26179, 32306, 32712, 48459, 52358, 64612, 78537, 96918, 104716, 129224, 157074, 193836, 209432, 314148, 387672, 628296, 759191, 1518382, 2277573, 3036764, 4555146, 6073528, 9110292, 18220584]

約数ペア:

[(1, 18220584), (2, 9110292), (3, 6073528), (4, 4555146), (6, 3036764), (8, 2277573), (12, 1518382), (24, 759191), (29, 628296), (47, 387672), (58, 314148), (87, 209432), (94, 193836), (116, 157074), (141, 129224), (174, 104716), (188, 96918), (232, 78537), (282, 64612), (348, 52358), (376, 48459), (557, 32712), (564, 32306), (696, 26179), (1114, 16356), (1128, 16153), (1363, 13368), (1671, 10904), (2228, 8178), (2726, 6684), (3342, 5452), (4089, 4456)]