19855308

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{431}}^1$

素因数の和:798

約数の個数: 48

約数和(自身を含む): 50803200

約数和(自身を除く): 30947892

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 349, 431, 698, 862, 1047, 1293, 1396, 1724, 2094, 2586, 3839, 4188, 4741, 5172, 7678, 9482, 11517, 14223, 15356, 18964, 23034, 28446, 46068, 56892, 150419, 300838, 451257, 601676, 902514, 1654609, 1805028, 3309218, 4963827, 6618436, 9927654, 19855308]

約数ペア:

[(1, 19855308), (2, 9927654), (3, 6618436), (4, 4963827), (6, 3309218), (11, 1805028), (12, 1654609), (22, 902514), (33, 601676), (44, 451257), (66, 300838), (132, 150419), (349, 56892), (431, 46068), (698, 28446), (862, 23034), (1047, 18964), (1293, 15356), (1396, 14223), (1724, 11517), (2094, 9482), (2586, 7678), (3839, 5172), (4188, 4741)]