18779248

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:349

約数の個数: 40

約数和(自身を含む): 37497600

約数和(自身を除く): 18718352

約数列:

[1, 2, 4, 8, 16, 79, 83, 158, 166, 179, 316, 332, 358, 632, 664, 716, 1264, 1328, 1432, 2864, 6557, 13114, 14141, 14857, 26228, 28282, 29714, 52456, 56564, 59428, 104912, 113128, 118856, 226256, 237712, 1173703, 2347406, 4694812, 9389624, 18779248]

約数ペア:

[(1, 18779248), (2, 9389624), (4, 4694812), (8, 2347406), (16, 1173703), (79, 237712), (83, 226256), (158, 118856), (166, 113128), (179, 104912), (316, 59428), (332, 56564), (358, 52456), (632, 29714), (664, 28282), (716, 26228), (1264, 14857), (1328, 14141), (1432, 13114), (2864, 6557)]