19884165

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9967}}^1$

素因数の和:10001

約数の個数: 32

約数和(自身を含む): 38277120

約数和(自身を除く): 18392955

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 9967, 29901, 49835, 69769, 149505, 189373, 209307, 348845, 568119, 946865, 1046535, 1325611, 2840595, 3976833, 6628055, 19884165]

約数ペア:

[(1, 19884165), (3, 6628055), (5, 3976833), (7, 2840595), (15, 1325611), (19, 1046535), (21, 946865), (35, 568119), (57, 348845), (95, 209307), (105, 189373), (133, 149505), (285, 69769), (399, 49835), (665, 29901), (1995, 9967)]