18809538

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12391}}^1$

素因数の和:12430

約数の個数: 32

約数和(自身を含む): 42826752

約数和(自身を除く): 24017214

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 12391, 24782, 37173, 74346, 136301, 272602, 284993, 408903, 569986, 817806, 854979, 1709958, 3134923, 6269846, 9404769, 18809538]

約数ペア:

[(1, 18809538), (2, 9404769), (3, 6269846), (6, 3134923), (11, 1709958), (22, 854979), (23, 817806), (33, 569986), (46, 408903), (66, 284993), (69, 272602), (138, 136301), (253, 74346), (506, 37173), (759, 24782), (1518, 12391)]