18614475

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:162

約数の個数: 96

約数和(自身を含む): 39283200

約数和(自身を除く): 20668725

約数列:

[1, 3, 5, 9, 11, 15, 23, 25, 27, 33, 45, 55, 69, 75, 99, 109, 115, 135, 165, 207, 225, 253, 275, 297, 327, 345, 495, 545, 575, 621, 675, 759, 825, 981, 1035, 1199, 1265, 1485, 1635, 1725, 2277, 2475, 2507, 2725, 2943, 3105, 3597, 3795, 4905, 5175, 5995, 6325, 6831, 7425, 7521, 8175, 10791, 11385, 12535, 14715, 15525, 17985, 18975, 22563, 24525, 27577, 29975, 32373, 34155, 37605, 53955, 56925, 62675, 67689, 73575, 82731, 89925, 112815, 137885, 161865, 170775, 188025, 248193, 269775, 338445, 413655, 564075, 689425, 744579, 809325, 1240965, 1692225, 2068275, 3722895, 6204825, 18614475]

約数ペア:

[(1, 18614475), (3, 6204825), (5, 3722895), (9, 2068275), (11, 1692225), (15, 1240965), (23, 809325), (25, 744579), (27, 689425), (33, 564075), (45, 413655), (55, 338445), (69, 269775), (75, 248193), (99, 188025), (109, 170775), (115, 161865), (135, 137885), (165, 112815), (207, 89925), (225, 82731), (253, 73575), (275, 67689), (297, 62675), (327, 56925), (345, 53955), (495, 37605), (545, 34155), (575, 32373), (621, 29975), (675, 27577), (759, 24525), (825, 22563), (981, 18975), (1035, 17985), (1199, 15525), (1265, 14715), (1485, 12535), (1635, 11385), (1725, 10791), (2277, 8175), (2475, 7521), (2507, 7425), (2725, 6831), (2943, 6325), (3105, 5995), (3597, 5175), (3795, 4905)]