18454579

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 23482368

約数和(自身を除く): 5027789

約数列:

[1, 11, 13, 23, 31, 143, 181, 253, 299, 341, 403, 713, 1991, 2353, 3289, 4163, 4433, 5611, 7843, 9269, 25883, 45793, 54119, 61721, 72943, 101959, 129053, 595309, 802373, 1419583, 1677689, 18454579]

約数ペア:

[(1, 18454579), (11, 1677689), (13, 1419583), (23, 802373), (31, 595309), (143, 129053), (181, 101959), (253, 72943), (299, 61721), (341, 54119), (403, 45793), (713, 25883), (1991, 9269), (2353, 7843), (3289, 5611), (4163, 4433)]