18805792

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:305

約数の個数: 48

約数和(自身を含む): 38586240

約数和(自身を除く): 19780448

約数列:

[1, 2, 4, 8, 16, 32, 43, 79, 86, 158, 172, 173, 316, 344, 346, 632, 688, 692, 1264, 1376, 1384, 2528, 2768, 3397, 5536, 6794, 7439, 13588, 13667, 14878, 27176, 27334, 29756, 54352, 54668, 59512, 108704, 109336, 119024, 218672, 238048, 437344, 587681, 1175362, 2350724, 4701448, 9402896, 18805792]

約数ペア:

[(1, 18805792), (2, 9402896), (4, 4701448), (8, 2350724), (16, 1175362), (32, 587681), (43, 437344), (79, 238048), (86, 218672), (158, 119024), (172, 109336), (173, 108704), (316, 59512), (344, 54668), (346, 54352), (632, 29756), (688, 27334), (692, 27176), (1264, 14878), (1376, 13667), (1384, 13588), (2528, 7439), (2768, 6794), (3397, 5536)]