19989672

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{743}}^1$

素因数の和:830

約数の個数: 64

約数和(自身を含む): 53568000

約数和(自身を除く): 33578328

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 59, 76, 114, 118, 152, 177, 228, 236, 354, 456, 472, 708, 743, 1121, 1416, 1486, 2229, 2242, 2972, 3363, 4458, 4484, 5944, 6726, 8916, 8968, 13452, 14117, 17832, 26904, 28234, 42351, 43837, 56468, 84702, 87674, 112936, 131511, 169404, 175348, 263022, 338808, 350696, 526044, 832903, 1052088, 1665806, 2498709, 3331612, 4997418, 6663224, 9994836, 19989672]

約数ペア:

[(1, 19989672), (2, 9994836), (3, 6663224), (4, 4997418), (6, 3331612), (8, 2498709), (12, 1665806), (19, 1052088), (24, 832903), (38, 526044), (57, 350696), (59, 338808), (76, 263022), (114, 175348), (118, 169404), (152, 131511), (177, 112936), (228, 87674), (236, 84702), (354, 56468), (456, 43837), (472, 42351), (708, 28234), (743, 26904), (1121, 17832), (1416, 14117), (1486, 13452), (2229, 8968), (2242, 8916), (2972, 6726), (3363, 5944), (4458, 4484)]