19390686

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 46780416

約数和(自身を除く): 27389730

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 53, 62, 93, 106, 159, 186, 217, 281, 318, 371, 434, 562, 651, 742, 843, 1113, 1302, 1643, 1686, 1967, 2226, 3286, 3934, 4929, 5901, 8711, 9858, 11501, 11802, 14893, 17422, 23002, 26133, 29786, 34503, 44679, 52266, 60977, 69006, 89358, 104251, 121954, 182931, 208502, 312753, 365862, 461683, 625506, 923366, 1385049, 2770098, 3231781, 6463562, 9695343, 19390686]

約数ペア:

[(1, 19390686), (2, 9695343), (3, 6463562), (6, 3231781), (7, 2770098), (14, 1385049), (21, 923366), (31, 625506), (42, 461683), (53, 365862), (62, 312753), (93, 208502), (106, 182931), (159, 121954), (186, 104251), (217, 89358), (281, 69006), (318, 60977), (371, 52266), (434, 44679), (562, 34503), (651, 29786), (742, 26133), (843, 23002), (1113, 17422), (1302, 14893), (1643, 11802), (1686, 11501), (1967, 9858), (2226, 8711), (3286, 5901), (3934, 4929)]