19770590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73}}^2$

素因数の和:213

約数の個数: 48

約数和(自身を含む): 42013728

約数和(自身を除く): 22243138

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 73, 106, 146, 265, 365, 371, 511, 530, 730, 742, 1022, 1855, 2555, 3710, 3869, 5110, 5329, 7738, 10658, 19345, 26645, 27083, 37303, 38690, 53290, 54166, 74606, 135415, 186515, 270830, 282437, 373030, 564874, 1412185, 1977059, 2824370, 3954118, 9885295, 19770590]

約数ペア:

[(1, 19770590), (2, 9885295), (5, 3954118), (7, 2824370), (10, 1977059), (14, 1412185), (35, 564874), (53, 373030), (70, 282437), (73, 270830), (106, 186515), (146, 135415), (265, 74606), (365, 54166), (371, 53290), (511, 38690), (530, 37303), (730, 27083), (742, 26645), (1022, 19345), (1855, 10658), (2555, 7738), (3710, 5329), (3869, 5110)]