18580864

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{8539}}^1$

素因数の和:8570

約数の個数: 32

約数和(自身を含む): 39198600

約数和(自身を除く): 20617736

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 8539, 17078, 34156, 68312, 136624, 145163, 273248, 290326, 546496, 580652, 1092992, 1161304, 2322608, 4645216, 9290432, 18580864]

約数ペア:

[(1, 18580864), (2, 9290432), (4, 4645216), (8, 2322608), (16, 1161304), (17, 1092992), (32, 580652), (34, 546496), (64, 290326), (68, 273248), (128, 145163), (136, 136624), (272, 68312), (544, 34156), (1088, 17078), (2176, 8539)]