18279687

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 26712576

約数和(自身を除く): 8432889

約数列:

[1, 3, 23, 43, 61, 69, 101, 129, 183, 303, 989, 1403, 2323, 2623, 2967, 4209, 4343, 6161, 6969, 7869, 13029, 18483, 60329, 99889, 141703, 180987, 264923, 299667, 425109, 794769, 6093229, 18279687]

約数ペア:

[(1, 18279687), (3, 6093229), (23, 794769), (43, 425109), (61, 299667), (69, 264923), (101, 180987), (129, 141703), (183, 99889), (303, 60329), (989, 18483), (1403, 13029), (2323, 7869), (2623, 6969), (2967, 6161), (4209, 4343)]