18553941

素因数分解:

$3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{761}}^1$

素因数の和:823

約数の個数: 40

約数和(自身を含む): 32455104

約数和(自身を除く): 13901163

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 301, 387, 567, 761, 903, 1161, 2283, 2709, 3483, 5327, 6849, 8127, 15981, 20547, 24381, 32723, 47943, 61641, 98169, 143829, 229061, 294507, 431487, 687183, 883521, 2061549, 2650563, 6184647, 18553941]

約数ペア:

[(1, 18553941), (3, 6184647), (7, 2650563), (9, 2061549), (21, 883521), (27, 687183), (43, 431487), (63, 294507), (81, 229061), (129, 143829), (189, 98169), (301, 61641), (387, 47943), (567, 32723), (761, 24381), (903, 20547), (1161, 15981), (2283, 8127), (2709, 6849), (3483, 5327)]