18790036

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{1123}}^1$

素因数の和:1263

約数の個数: 24

約数和(自身を含む): 33989760

約数和(自身を除く): 15199724

約数列:

[1, 2, 4, 47, 89, 94, 178, 188, 356, 1123, 2246, 4183, 4492, 8366, 16732, 52781, 99947, 105562, 199894, 211124, 399788, 4697509, 9395018, 18790036]

約数ペア:

[(1, 18790036), (2, 9395018), (4, 4697509), (47, 399788), (89, 211124), (94, 199894), (178, 105562), (188, 99947), (356, 52781), (1123, 16732), (2246, 8366), (4183, 4492)]