19328864

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{35531}}^1$

素因数の和:35558

約数の個数: 24

約数和(自身を含む): 40293288

約数和(自身を除く): 20964424

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 35531, 71062, 142124, 284248, 568496, 604027, 1136992, 1208054, 2416108, 4832216, 9664432, 19328864]

約数ペア:

[(1, 19328864), (2, 9664432), (4, 4832216), (8, 2416108), (16, 1208054), (17, 1136992), (32, 604027), (34, 568496), (68, 284248), (136, 142124), (272, 71062), (544, 35531)]