18944512

素因数分解:

$2^9\times {\mathrm{163}}^1\times {\mathrm{227}}^1$

素因数の和:408

約数の個数: 40

約数和(自身を含む): 38252016

約数和(自身を除く): 19307504

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 163, 227, 256, 326, 454, 512, 652, 908, 1304, 1816, 2608, 3632, 5216, 7264, 10432, 14528, 20864, 29056, 37001, 41728, 58112, 74002, 83456, 116224, 148004, 296008, 592016, 1184032, 2368064, 4736128, 9472256, 18944512]

約数ペア:

[(1, 18944512), (2, 9472256), (4, 4736128), (8, 2368064), (16, 1184032), (32, 592016), (64, 296008), (128, 148004), (163, 116224), (227, 83456), (256, 74002), (326, 58112), (454, 41728), (512, 37001), (652, 29056), (908, 20864), (1304, 14528), (1816, 10432), (2608, 7264), (3632, 5216)]