18795564

素因数分解:

$2^2\times 3^5\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 50236368

約数和(自身を除く): 31440804

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 81, 108, 122, 162, 183, 243, 244, 317, 324, 366, 486, 549, 634, 732, 951, 972, 1098, 1268, 1647, 1902, 2196, 2853, 3294, 3804, 4941, 5706, 6588, 8559, 9882, 11412, 14823, 17118, 19337, 19764, 25677, 29646, 34236, 38674, 51354, 58011, 59292, 77031, 77348, 102708, 116022, 154062, 174033, 232044, 308124, 348066, 522099, 696132, 1044198, 1566297, 2088396, 3132594, 4698891, 6265188, 9397782, 18795564]

約数ペア:

[(1, 18795564), (2, 9397782), (3, 6265188), (4, 4698891), (6, 3132594), (9, 2088396), (12, 1566297), (18, 1044198), (27, 696132), (36, 522099), (54, 348066), (61, 308124), (81, 232044), (108, 174033), (122, 154062), (162, 116022), (183, 102708), (243, 77348), (244, 77031), (317, 59292), (324, 58011), (366, 51354), (486, 38674), (549, 34236), (634, 29646), (732, 25677), (951, 19764), (972, 19337), (1098, 17118), (1268, 14823), (1647, 11412), (1902, 9882), (2196, 8559), (2853, 6588), (3294, 5706), (3804, 4941)]