19579792

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:391

約数の個数: 40

約数和(自身を含む): 39283200

約数和(自身を除く): 19703408

約数列:

[1, 2, 4, 8, 16, 43, 86, 149, 172, 191, 298, 344, 382, 596, 688, 764, 1192, 1528, 2384, 3056, 6407, 8213, 12814, 16426, 25628, 28459, 32852, 51256, 56918, 65704, 102512, 113836, 131408, 227672, 455344, 1223737, 2447474, 4894948, 9789896, 19579792]

約数ペア:

[(1, 19579792), (2, 9789896), (4, 4894948), (8, 2447474), (16, 1223737), (43, 455344), (86, 227672), (149, 131408), (172, 113836), (191, 102512), (298, 65704), (344, 56918), (382, 51256), (596, 32852), (688, 28459), (764, 25628), (1192, 16426), (1528, 12814), (2384, 8213), (3056, 6407)]