18342753

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^3\times {\mathrm{23}}^1$

素因数の和:87

約数の個数: 48

約数和(自身を含む): 30387840

約数和(自身を除く): 12045087

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 121, 143, 169, 253, 299, 363, 429, 507, 759, 897, 1573, 1859, 2197, 2783, 3289, 3887, 4719, 5577, 6591, 8349, 9867, 11661, 20449, 24167, 36179, 42757, 50531, 61347, 72501, 108537, 128271, 151593, 265837, 470327, 555841, 797511, 1410981, 1667523, 6114251, 18342753]

約数ペア:

[(1, 18342753), (3, 6114251), (11, 1667523), (13, 1410981), (23, 797511), (33, 555841), (39, 470327), (69, 265837), (121, 151593), (143, 128271), (169, 108537), (253, 72501), (299, 61347), (363, 50531), (429, 42757), (507, 36179), (759, 24167), (897, 20449), (1573, 11661), (1859, 9867), (2197, 8349), (2783, 6591), (3289, 5577), (3887, 4719)]