18913227

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{739}}^1$

素因数の和:1210

約数の個数: 16

約数和(自身を含む): 26640000

約数和(自身を除く): 7726773

約数列:

[1, 3, 19, 57, 449, 739, 1347, 2217, 8531, 14041, 25593, 42123, 331811, 995433, 6304409, 18913227]

約数ペア:

[(1, 18913227), (3, 6304409), (19, 995433), (57, 331811), (449, 42123), (739, 25593), (1347, 14041), (2217, 8531)]