19186256

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:483

約数の個数: 40

約数和(自身を含む): 38628480

約数和(自身を除く): 19442224

約数列:

[1, 2, 4, 8, 16, 43, 79, 86, 158, 172, 316, 344, 353, 632, 688, 706, 1264, 1412, 2824, 3397, 5648, 6794, 13588, 15179, 27176, 27887, 30358, 54352, 55774, 60716, 111548, 121432, 223096, 242864, 446192, 1199141, 2398282, 4796564, 9593128, 19186256]

約数ペア:

[(1, 19186256), (2, 9593128), (4, 4796564), (8, 2398282), (16, 1199141), (43, 446192), (79, 242864), (86, 223096), (158, 121432), (172, 111548), (316, 60716), (344, 55774), (353, 54352), (632, 30358), (688, 27887), (706, 27176), (1264, 15179), (1412, 13588), (2824, 6794), (3397, 5648)]