18211456

素因数分解:

$2^7\times {\mathrm{73}}^1\times {\mathrm{1949}}^1$

素因数の和:2036

約数の個数: 32

約数和(自身を含む): 36796500

約数和(自身を除く): 18585044

約数列:

[1, 2, 4, 8, 16, 32, 64, 73, 128, 146, 292, 584, 1168, 1949, 2336, 3898, 4672, 7796, 9344, 15592, 31184, 62368, 124736, 142277, 249472, 284554, 569108, 1138216, 2276432, 4552864, 9105728, 18211456]

約数ペア:

[(1, 18211456), (2, 9105728), (4, 4552864), (8, 2276432), (16, 1138216), (32, 569108), (64, 284554), (73, 249472), (128, 142277), (146, 124736), (292, 62368), (584, 31184), (1168, 15592), (1949, 9344), (2336, 7796), (3898, 4672)]