17938816

素因数分解:

$2^7\times 7^1\times {\mathrm{20021}}^1$

素因数の和:20042

約数の個数: 32

約数和(自身を含む): 40844880

約数和(自身を除く): 22906064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 20021, 40042, 80084, 140147, 160168, 280294, 320336, 560588, 640672, 1121176, 1281344, 2242352, 2562688, 4484704, 8969408, 17938816]

約数ペア:

[(1, 17938816), (2, 8969408), (4, 4484704), (7, 2562688), (8, 2242352), (14, 1281344), (16, 1121176), (28, 640672), (32, 560588), (56, 320336), (64, 280294), (112, 160168), (128, 140147), (224, 80084), (448, 40042), (896, 20021)]