19339744

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{487}}^1$

素因数の和:587

約数の個数: 48

約数和(自身を含む): 40951008

約数和(自身を除く): 21611264

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 73, 136, 146, 272, 292, 487, 544, 584, 974, 1168, 1241, 1948, 2336, 2482, 3896, 4964, 7792, 8279, 9928, 15584, 16558, 19856, 33116, 35551, 39712, 66232, 71102, 132464, 142204, 264928, 284408, 568816, 604367, 1137632, 1208734, 2417468, 4834936, 9669872, 19339744]

約数ペア:

[(1, 19339744), (2, 9669872), (4, 4834936), (8, 2417468), (16, 1208734), (17, 1137632), (32, 604367), (34, 568816), (68, 284408), (73, 264928), (136, 142204), (146, 132464), (272, 71102), (292, 66232), (487, 39712), (544, 35551), (584, 33116), (974, 19856), (1168, 16558), (1241, 15584), (1948, 9928), (2336, 8279), (2482, 7792), (3896, 4964)]