18121383

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15139}}^1$

素因数の和:15171

約数の個数: 24

約数和(自身を含む): 31491200

約数和(自身を除く): 13369817

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 15139, 45417, 105973, 136251, 287641, 317919, 862923, 953757, 2013487, 2588769, 6040461, 18121383]

約数ペア:

[(1, 18121383), (3, 6040461), (7, 2588769), (9, 2013487), (19, 953757), (21, 862923), (57, 317919), (63, 287641), (133, 136251), (171, 105973), (399, 45417), (1197, 15139)]