19679793

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 31064064

約数和(自身を除く): 11384271

約数列:

[1, 3, 7, 21, 47, 127, 141, 157, 329, 381, 471, 889, 987, 1099, 2667, 3297, 5969, 7379, 17907, 19939, 22137, 41783, 51653, 59817, 125349, 139573, 154959, 418719, 937133, 2811399, 6559931, 19679793]

約数ペア:

[(1, 19679793), (3, 6559931), (7, 2811399), (21, 937133), (47, 418719), (127, 154959), (141, 139573), (157, 125349), (329, 59817), (381, 51653), (471, 41783), (889, 22137), (987, 19939), (1099, 17907), (2667, 7379), (3297, 5969)]