18678688

素因数分解:

$2^5\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1367}}^1$

素因数の和:1445

約数の個数: 48

約数和(自身を含む): 42747264

約数和(自身を除く): 24068576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 112, 122, 224, 244, 427, 488, 854, 976, 1367, 1708, 1952, 2734, 3416, 5468, 6832, 9569, 10936, 13664, 19138, 21872, 38276, 43744, 76552, 83387, 153104, 166774, 306208, 333548, 583709, 667096, 1167418, 1334192, 2334836, 2668384, 4669672, 9339344, 18678688]

約数ペア:

[(1, 18678688), (2, 9339344), (4, 4669672), (7, 2668384), (8, 2334836), (14, 1334192), (16, 1167418), (28, 667096), (32, 583709), (56, 333548), (61, 306208), (112, 166774), (122, 153104), (224, 83387), (244, 76552), (427, 43744), (488, 38276), (854, 21872), (976, 19138), (1367, 13664), (1708, 10936), (1952, 9569), (2734, 6832), (3416, 5468)]