18400732

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:131

約数の個数: 96

約数和(自身を含む): 42577920

約数和(自身を除く): 24177188

約数列:

[1, 2, 4, 7, 14, 17, 28, 29, 31, 34, 43, 58, 62, 68, 86, 116, 119, 124, 172, 203, 217, 238, 301, 406, 434, 476, 493, 527, 602, 731, 812, 868, 899, 986, 1054, 1204, 1247, 1333, 1462, 1798, 1972, 2108, 2494, 2666, 2924, 3451, 3596, 3689, 4988, 5117, 5332, 6293, 6902, 7378, 8729, 9331, 10234, 12586, 13804, 14756, 15283, 17458, 18662, 20468, 21199, 22661, 25172, 30566, 34916, 37324, 38657, 42398, 45322, 61132, 77314, 84796, 90644, 106981, 148393, 154628, 158627, 213962, 270599, 296786, 317254, 427924, 541198, 593572, 634508, 657169, 1082396, 1314338, 2628676, 4600183, 9200366, 18400732]

約数ペア:

[(1, 18400732), (2, 9200366), (4, 4600183), (7, 2628676), (14, 1314338), (17, 1082396), (28, 657169), (29, 634508), (31, 593572), (34, 541198), (43, 427924), (58, 317254), (62, 296786), (68, 270599), (86, 213962), (116, 158627), (119, 154628), (124, 148393), (172, 106981), (203, 90644), (217, 84796), (238, 77314), (301, 61132), (406, 45322), (434, 42398), (476, 38657), (493, 37324), (527, 34916), (602, 30566), (731, 25172), (812, 22661), (868, 21199), (899, 20468), (986, 18662), (1054, 17458), (1204, 15283), (1247, 14756), (1333, 13804), (1462, 12586), (1798, 10234), (1972, 9331), (2108, 8729), (2494, 7378), (2666, 6902), (2924, 6293), (3451, 5332), (3596, 5117), (3689, 4988)]