18976256

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{2851}}^1$

素因数の和:2882

約数の個数: 40

約数和(自身を含む): 40846344

約数和(自身を除く): 21870088

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 2851, 3328, 5702, 6656, 11404, 22808, 37063, 45616, 74126, 91232, 148252, 182464, 296504, 364928, 593008, 729856, 1186016, 1459712, 2372032, 4744064, 9488128, 18976256]

約数ペア:

[(1, 18976256), (2, 9488128), (4, 4744064), (8, 2372032), (13, 1459712), (16, 1186016), (26, 729856), (32, 593008), (52, 364928), (64, 296504), (104, 182464), (128, 148252), (208, 91232), (256, 74126), (416, 45616), (512, 37063), (832, 22808), (1664, 11404), (2851, 6656), (3328, 5702)]