18284475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{599}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 33926400

約数和(自身を除く): 15641925

約数列:

[1, 3, 5, 11, 15, 25, 33, 37, 55, 75, 111, 165, 185, 275, 407, 555, 599, 825, 925, 1221, 1797, 2035, 2775, 2995, 6105, 6589, 8985, 10175, 14975, 19767, 22163, 30525, 32945, 44925, 66489, 98835, 110815, 164725, 243793, 332445, 494175, 554075, 731379, 1218965, 1662225, 3656895, 6094825, 18284475]

約数ペア:

[(1, 18284475), (3, 6094825), (5, 3656895), (11, 1662225), (15, 1218965), (25, 731379), (33, 554075), (37, 494175), (55, 332445), (75, 243793), (111, 164725), (165, 110815), (185, 98835), (275, 66489), (407, 44925), (555, 32945), (599, 30525), (825, 22163), (925, 19767), (1221, 14975), (1797, 10175), (2035, 8985), (2775, 6589), (2995, 6105)]