18745216

素因数分解:

$2^7\times 7^1\times {\mathrm{20921}}^1$

素因数の和:20942

約数の個数: 32

約数和(自身を含む): 42680880

約数和(自身を除く): 23935664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 20921, 41842, 83684, 146447, 167368, 292894, 334736, 585788, 669472, 1171576, 1338944, 2343152, 2677888, 4686304, 9372608, 18745216]

約数ペア:

[(1, 18745216), (2, 9372608), (4, 4686304), (7, 2677888), (8, 2343152), (14, 1338944), (16, 1171576), (28, 669472), (32, 585788), (56, 334736), (64, 292894), (112, 167368), (128, 146447), (224, 83684), (448, 41842), (896, 20921)]