18802816

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{8641}}^1$

素因数の和:8672

約数の個数: 32

約数和(自身を含む): 39666780

約数和(自身を除く): 20863964

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 8641, 17282, 34564, 69128, 138256, 146897, 276512, 293794, 553024, 587588, 1106048, 1175176, 2350352, 4700704, 9401408, 18802816]

約数ペア:

[(1, 18802816), (2, 9401408), (4, 4700704), (8, 2350352), (16, 1175176), (17, 1106048), (32, 587588), (34, 553024), (64, 293794), (68, 276512), (128, 146897), (136, 138256), (272, 69128), (544, 34564), (1088, 17282), (2176, 8641)]