18487532

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 40965120

約数和(自身を除く): 22477588

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 59, 62, 76, 118, 124, 133, 217, 236, 266, 361, 413, 434, 532, 589, 722, 826, 868, 1121, 1178, 1444, 1652, 1829, 2242, 2356, 2527, 3658, 4123, 4484, 5054, 7316, 7847, 8246, 10108, 11191, 12803, 15694, 16492, 21299, 22382, 25606, 31388, 34751, 42598, 44764, 51212, 69502, 78337, 85196, 139004, 149093, 156674, 243257, 298186, 313348, 486514, 596372, 660269, 973028, 1320538, 2641076, 4621883, 9243766, 18487532]

約数ペア:

[(1, 18487532), (2, 9243766), (4, 4621883), (7, 2641076), (14, 1320538), (19, 973028), (28, 660269), (31, 596372), (38, 486514), (59, 313348), (62, 298186), (76, 243257), (118, 156674), (124, 149093), (133, 139004), (217, 85196), (236, 78337), (266, 69502), (361, 51212), (413, 44764), (434, 42598), (532, 34751), (589, 31388), (722, 25606), (826, 22382), (868, 21299), (1121, 16492), (1178, 15694), (1444, 12803), (1652, 11191), (1829, 10108), (2242, 8246), (2356, 7847), (2527, 7316), (3658, 5054), (4123, 4484)]