18901029

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{373}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 30638080

約数和(自身を除く): 11737051

約数列:

[1, 3, 7, 19, 21, 57, 127, 133, 373, 381, 399, 889, 1119, 2413, 2611, 2667, 7087, 7239, 7833, 16891, 21261, 47371, 49609, 50673, 142113, 148827, 331597, 900049, 994791, 2700147, 6300343, 18901029]

約数ペア:

[(1, 18901029), (3, 6300343), (7, 2700147), (19, 994791), (21, 900049), (57, 331597), (127, 148827), (133, 142113), (373, 50673), (381, 49609), (399, 47371), (889, 21261), (1119, 16891), (2413, 7833), (2611, 7239), (2667, 7087)]