18374416

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1571}}^1$

素因数の和:1639

約数の個数: 40

約数和(自身を含む): 38595744

約数和(自身を除く): 20221328

約数列:

[1, 2, 4, 8, 16, 17, 34, 43, 68, 86, 136, 172, 272, 344, 688, 731, 1462, 1571, 2924, 3142, 5848, 6284, 11696, 12568, 25136, 26707, 53414, 67553, 106828, 135106, 213656, 270212, 427312, 540424, 1080848, 1148401, 2296802, 4593604, 9187208, 18374416]

約数ペア:

[(1, 18374416), (2, 9187208), (4, 4593604), (8, 2296802), (16, 1148401), (17, 1080848), (34, 540424), (43, 427312), (68, 270212), (86, 213656), (136, 135106), (172, 106828), (272, 67553), (344, 53414), (688, 26707), (731, 25136), (1462, 12568), (1571, 11696), (2924, 6284), (3142, 5848)]