19288161

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1103}}^1$

素因数の和:1205

約数の個数: 24

約数和(自身を含む): 29278080

約数和(自身を除く): 9989919

約数列:

[1, 3, 9, 29, 67, 87, 201, 261, 603, 1103, 1943, 3309, 5829, 9927, 17487, 31987, 73901, 95961, 221703, 287883, 665109, 2143129, 6429387, 19288161]

約数ペア:

[(1, 19288161), (3, 6429387), (9, 2143129), (29, 665109), (67, 287883), (87, 221703), (201, 95961), (261, 73901), (603, 31987), (1103, 17487), (1943, 9927), (3309, 5829)]