18739456

素因数分解:

$2^8\times {\mathrm{71}}^1\times {\mathrm{1031}}^1$

素因数の和:1118

約数の個数: 36

約数和(自身を含む): 37969344

約数和(自身を除く): 19229888

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 256, 284, 568, 1031, 1136, 2062, 2272, 4124, 4544, 8248, 9088, 16496, 18176, 32992, 65984, 73201, 131968, 146402, 263936, 292804, 585608, 1171216, 2342432, 4684864, 9369728, 18739456]

約数ペア:

[(1, 18739456), (2, 9369728), (4, 4684864), (8, 2342432), (16, 1171216), (32, 585608), (64, 292804), (71, 263936), (128, 146402), (142, 131968), (256, 73201), (284, 65984), (568, 32992), (1031, 18176), (1136, 16496), (2062, 9088), (2272, 8248), (4124, 4544)]