18688576

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:311

約数の個数: 56

約数和(自身を含む): 39913560

約数和(自身を除く): 21224984

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 89, 136, 178, 193, 272, 356, 386, 544, 712, 772, 1088, 1424, 1513, 1544, 2848, 3026, 3088, 3281, 5696, 6052, 6176, 6562, 12104, 12352, 13124, 17177, 24208, 26248, 34354, 48416, 52496, 68708, 96832, 104992, 137416, 209984, 274832, 292009, 549664, 584018, 1099328, 1168036, 2336072, 4672144, 9344288, 18688576]

約数ペア:

[(1, 18688576), (2, 9344288), (4, 4672144), (8, 2336072), (16, 1168036), (17, 1099328), (32, 584018), (34, 549664), (64, 292009), (68, 274832), (89, 209984), (136, 137416), (178, 104992), (193, 96832), (272, 68708), (356, 52496), (386, 48416), (544, 34354), (712, 26248), (772, 24208), (1088, 17177), (1424, 13124), (1513, 12352), (1544, 12104), (2848, 6562), (3026, 6176), (3088, 6052), (3281, 5696)]