18978224

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{25237}}^1$

素因数の和:25292

約数の個数: 20

約数和(自身を含む): 37554144

約数和(自身を除く): 18575920

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 25237, 50474, 100948, 201896, 403792, 1186139, 2372278, 4744556, 9489112, 18978224]

約数ペア:

[(1, 18978224), (2, 9489112), (4, 4744556), (8, 2372278), (16, 1186139), (47, 403792), (94, 201896), (188, 100948), (376, 50474), (752, 25237)]