18347744

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 38229408

約数和(自身を除く): 19881664

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 97, 184, 194, 257, 368, 388, 514, 736, 776, 1028, 1552, 2056, 2231, 3104, 4112, 4462, 5911, 8224, 8924, 11822, 17848, 23644, 24929, 35696, 47288, 49858, 71392, 94576, 99716, 189152, 199432, 398864, 573367, 797728, 1146734, 2293468, 4586936, 9173872, 18347744]

約数ペア:

[(1, 18347744), (2, 9173872), (4, 4586936), (8, 2293468), (16, 1146734), (23, 797728), (32, 573367), (46, 398864), (92, 199432), (97, 189152), (184, 99716), (194, 94576), (257, 71392), (368, 49858), (388, 47288), (514, 35696), (736, 24929), (776, 23644), (1028, 17848), (1552, 11822), (2056, 8924), (2231, 8224), (3104, 5911), (4112, 4462)]