18219724

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{839}}^1$

素因数の和:993

約数の個数: 24

約数和(自身を含む): 32810400

約数和(自身を除く): 14590676

約数列:

[1, 2, 4, 61, 89, 122, 178, 244, 356, 839, 1678, 3356, 5429, 10858, 21716, 51179, 74671, 102358, 149342, 204716, 298684, 4554931, 9109862, 18219724]

約数ペア:

[(1, 18219724), (2, 9109862), (4, 4554931), (61, 298684), (89, 204716), (122, 149342), (178, 102358), (244, 74671), (356, 51179), (839, 21716), (1678, 10858), (3356, 5429)]