18038164

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2203}}^1$

素因数の和:2319

約数の個数: 24

約数和(自身を含む): 33324480

約数和(自身を除く): 15286316

約数列:

[1, 2, 4, 23, 46, 89, 92, 178, 356, 2047, 2203, 4094, 4406, 8188, 8812, 50669, 101338, 196067, 202676, 392134, 784268, 4509541, 9019082, 18038164]

約数ペア:

[(1, 18038164), (2, 9019082), (4, 4509541), (23, 784268), (46, 392134), (89, 202676), (92, 196067), (178, 101338), (356, 50669), (2047, 8812), (2203, 8188), (4094, 4406)]