18531882

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 44098560

約数和(自身を除く): 25566678

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 43, 46, 54, 69, 86, 129, 138, 207, 258, 347, 387, 414, 621, 694, 774, 989, 1041, 1161, 1242, 1978, 2082, 2322, 2967, 3123, 5934, 6246, 7981, 8901, 9369, 14921, 15962, 17802, 18738, 23943, 26703, 29842, 44763, 47886, 53406, 71829, 89526, 134289, 143658, 215487, 268578, 343183, 402867, 430974, 686366, 805734, 1029549, 2059098, 3088647, 6177294, 9265941, 18531882]

約数ペア:

[(1, 18531882), (2, 9265941), (3, 6177294), (6, 3088647), (9, 2059098), (18, 1029549), (23, 805734), (27, 686366), (43, 430974), (46, 402867), (54, 343183), (69, 268578), (86, 215487), (129, 143658), (138, 134289), (207, 89526), (258, 71829), (347, 53406), (387, 47886), (414, 44763), (621, 29842), (694, 26703), (774, 23943), (989, 18738), (1041, 17802), (1161, 15962), (1242, 14921), (1978, 9369), (2082, 8901), (2322, 7981), (2967, 6246), (3123, 5934)]