18781014

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:649

約数の個数: 48

約数和(自身を含む): 44126208

約数和(自身を除く): 25345194

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 127, 147, 254, 294, 381, 503, 762, 889, 1006, 1509, 1778, 2667, 3018, 3521, 5334, 6223, 7042, 10563, 12446, 18669, 21126, 24647, 37338, 49294, 63881, 73941, 127762, 147882, 191643, 383286, 447167, 894334, 1341501, 2683002, 3130169, 6260338, 9390507, 18781014]

約数ペア:

[(1, 18781014), (2, 9390507), (3, 6260338), (6, 3130169), (7, 2683002), (14, 1341501), (21, 894334), (42, 447167), (49, 383286), (98, 191643), (127, 147882), (147, 127762), (254, 73941), (294, 63881), (381, 49294), (503, 37338), (762, 24647), (889, 21126), (1006, 18669), (1509, 12446), (1778, 10563), (2667, 7042), (3018, 6223), (3521, 5334)]