19502091

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 34484736

約数和(自身を除く): 14982645

約数列:

[1, 3, 7, 9, 21, 23, 43, 63, 69, 129, 161, 207, 301, 313, 387, 483, 903, 939, 989, 1449, 2191, 2709, 2817, 2967, 6573, 6923, 7199, 8901, 13459, 19719, 20769, 21597, 40377, 50393, 62307, 64791, 94213, 121131, 151179, 282639, 309557, 453537, 847917, 928671, 2166899, 2786013, 6500697, 19502091]

約数ペア:

[(1, 19502091), (3, 6500697), (7, 2786013), (9, 2166899), (21, 928671), (23, 847917), (43, 453537), (63, 309557), (69, 282639), (129, 151179), (161, 121131), (207, 94213), (301, 64791), (313, 62307), (387, 50393), (483, 40377), (903, 21597), (939, 20769), (989, 19719), (1449, 13459), (2191, 8901), (2709, 7199), (2817, 6923), (2967, 6573)]