18953982

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{353}}^1$

素因数の和:537

約数の個数: 48

約数和(自身を含む): 43626960

約数和(自身を除く): 24672978

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 157, 171, 314, 342, 353, 471, 706, 942, 1059, 1413, 2118, 2826, 2983, 3177, 5966, 6354, 6707, 8949, 13414, 17898, 20121, 26847, 40242, 53694, 55421, 60363, 110842, 120726, 166263, 332526, 498789, 997578, 1052999, 2105998, 3158997, 6317994, 9476991, 18953982]

約数ペア:

[(1, 18953982), (2, 9476991), (3, 6317994), (6, 3158997), (9, 2105998), (18, 1052999), (19, 997578), (38, 498789), (57, 332526), (114, 166263), (157, 120726), (171, 110842), (314, 60363), (342, 55421), (353, 53694), (471, 40242), (706, 26847), (942, 20121), (1059, 17898), (1413, 13414), (2118, 8949), (2826, 6707), (2983, 6354), (3177, 5966)]