18372753

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15349}}^1$

素因数の和:15381

約数の個数: 24

約数和(自身を含む): 31928000

約数和(自身を除く): 13555247

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 15349, 46047, 107443, 138141, 291631, 322329, 874893, 966987, 2041417, 2624679, 6124251, 18372753]

約数ペア:

[(1, 18372753), (3, 6124251), (7, 2624679), (9, 2041417), (19, 966987), (21, 874893), (57, 322329), (63, 291631), (133, 138141), (171, 107443), (399, 46047), (1197, 15349)]