19735842

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 47142144

約数和(自身を除く): 27406302

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 73, 82, 123, 146, 157, 219, 246, 287, 314, 438, 471, 511, 574, 861, 942, 1022, 1099, 1533, 1722, 2198, 2993, 3066, 3297, 5986, 6437, 6594, 8979, 11461, 12874, 17958, 19311, 20951, 22922, 34383, 38622, 41902, 45059, 62853, 68766, 80227, 90118, 125706, 135177, 160454, 240681, 270354, 469901, 481362, 939802, 1409703, 2819406, 3289307, 6578614, 9867921, 19735842]

約数ペア:

[(1, 19735842), (2, 9867921), (3, 6578614), (6, 3289307), (7, 2819406), (14, 1409703), (21, 939802), (41, 481362), (42, 469901), (73, 270354), (82, 240681), (123, 160454), (146, 135177), (157, 125706), (219, 90118), (246, 80227), (287, 68766), (314, 62853), (438, 45059), (471, 41902), (511, 38622), (574, 34383), (861, 22922), (942, 20951), (1022, 19311), (1099, 17958), (1533, 12874), (1722, 11461), (2198, 8979), (2993, 6594), (3066, 6437), (3297, 5986)]