18001648

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1657}}^1$

素因数の和:1769

約数の個数: 40

約数和(自身を含む): 40296032

約数和(自身を除く): 22294384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 388, 679, 776, 1358, 1552, 1657, 2716, 3314, 5432, 6628, 10864, 11599, 13256, 23198, 26512, 46396, 92792, 160729, 185584, 321458, 642916, 1125103, 1285832, 2250206, 2571664, 4500412, 9000824, 18001648]

約数ペア:

[(1, 18001648), (2, 9000824), (4, 4500412), (7, 2571664), (8, 2250206), (14, 1285832), (16, 1125103), (28, 642916), (56, 321458), (97, 185584), (112, 160729), (194, 92792), (388, 46396), (679, 26512), (776, 23198), (1358, 13256), (1552, 11599), (1657, 10864), (2716, 6628), (3314, 5432)]