18552992

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 38102400

約数和(自身を除く): 19549408

約数列:

[1, 2, 4, 8, 16, 32, 41, 79, 82, 158, 164, 179, 316, 328, 358, 632, 656, 716, 1264, 1312, 1432, 2528, 2864, 3239, 5728, 6478, 7339, 12956, 14141, 14678, 25912, 28282, 29356, 51824, 56564, 58712, 103648, 113128, 117424, 226256, 234848, 452512, 579781, 1159562, 2319124, 4638248, 9276496, 18552992]

約数ペア:

[(1, 18552992), (2, 9276496), (4, 4638248), (8, 2319124), (16, 1159562), (32, 579781), (41, 452512), (79, 234848), (82, 226256), (158, 117424), (164, 113128), (179, 103648), (316, 58712), (328, 56564), (358, 51824), (632, 29356), (656, 28282), (716, 25912), (1264, 14678), (1312, 14141), (1432, 12956), (2528, 7339), (2864, 6478), (3239, 5728)]