19412379

素因数分解:

$3^4\times 7^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 60

約数和(自身を含む): 34705704

約数和(自身を除く): 15293325

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 67, 73, 81, 147, 189, 201, 219, 441, 469, 511, 567, 603, 657, 1323, 1407, 1533, 1809, 1971, 3283, 3577, 3969, 4221, 4599, 4891, 5427, 5913, 9849, 10731, 12663, 13797, 14673, 29547, 32193, 34237, 37989, 41391, 44019, 88641, 96579, 102711, 132057, 239659, 265923, 289737, 308133, 396171, 718977, 924399, 2156931, 2773197, 6470793, 19412379]

約数ペア:

[(1, 19412379), (3, 6470793), (7, 2773197), (9, 2156931), (21, 924399), (27, 718977), (49, 396171), (63, 308133), (67, 289737), (73, 265923), (81, 239659), (147, 132057), (189, 102711), (201, 96579), (219, 88641), (441, 44019), (469, 41391), (511, 37989), (567, 34237), (603, 32193), (657, 29547), (1323, 14673), (1407, 13797), (1533, 12663), (1809, 10731), (1971, 9849), (3283, 5913), (3577, 5427), (3969, 4891), (4221, 4599)]