18935394

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3191}}^1$

素因数の和:3262

約数の個数: 32

約数和(自身を含む): 40449024

約数和(自身を除く): 21513630

約数列:

[1, 2, 3, 6, 23, 43, 46, 69, 86, 129, 138, 258, 989, 1978, 2967, 3191, 5934, 6382, 9573, 19146, 73393, 137213, 146786, 220179, 274426, 411639, 440358, 823278, 3155899, 6311798, 9467697, 18935394]

約数ペア:

[(1, 18935394), (2, 9467697), (3, 6311798), (6, 3155899), (23, 823278), (43, 440358), (46, 411639), (69, 274426), (86, 220179), (129, 146786), (138, 137213), (258, 73393), (989, 19146), (1978, 9573), (2967, 6382), (3191, 5934)]