19320021

素因数分解:

$3^2\times 7^1\times {\mathrm{449}}^1\times {\mathrm{683}}^1$

素因数の和:1145

約数の個数: 24

約数和(自身を含む): 32011200

約数和(自身を除く): 12691179

約数列:

[1, 3, 7, 9, 21, 63, 449, 683, 1347, 2049, 3143, 4041, 4781, 6147, 9429, 14343, 28287, 43029, 306667, 920001, 2146669, 2760003, 6440007, 19320021]

約数ペア:

[(1, 19320021), (3, 6440007), (7, 2760003), (9, 2146669), (21, 920001), (63, 306667), (449, 43029), (683, 28287), (1347, 14343), (2049, 9429), (3143, 6147), (4041, 4781)]