18981696256

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{13759}}^1$

素因数の和:14109

約数の個数: 72

約数和(自身を含む): 40247504640

約数和(自身を除く): 21265808384

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 317, 544, 634, 1088, 1268, 2176, 2536, 4352, 5072, 5389, 10144, 10778, 13759, 20288, 21556, 27518, 40576, 43112, 55036, 81152, 86224, 110072, 172448, 220144, 233903, 344896, 440288, 467806, 689792, 880576, 935612, 1379584, 1761152, 1871224, 3522304, 3742448, 4361603, 7484896, 8723206, 14969792, 17446412, 29939584, 34892824, 59879168, 69785648, 74147251, 139571296, 148294502, 279142592, 296589004, 558285184, 593178008, 1116570368, 1186356016, 2372712032, 4745424064, 9490848128, 18981696256]

約数ペア:

[(1, 18981696256), (2, 9490848128), (4, 4745424064), (8, 2372712032), (16, 1186356016), (17, 1116570368), (32, 593178008), (34, 558285184), (64, 296589004), (68, 279142592), (128, 148294502), (136, 139571296), (256, 74147251), (272, 69785648), (317, 59879168), (544, 34892824), (634, 29939584), (1088, 17446412), (1268, 14969792), (2176, 8723206), (2536, 7484896), (4352, 4361603), (5072, 3742448), (5389, 3522304), (10144, 1871224), (10778, 1761152), (13759, 1379584), (20288, 935612), (21556, 880576), (27518, 689792), (40576, 467806), (43112, 440288), (55036, 344896), (81152, 233903), (86224, 220144), (110072, 172448)]