19475379

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 35493120

約数和(自身を除く): 16017741

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 157, 179, 231, 471, 537, 693, 1099, 1253, 1413, 1611, 1727, 1969, 3297, 3759, 5181, 5907, 9891, 11277, 12089, 13783, 15543, 17721, 28103, 36267, 41349, 84309, 108801, 124047, 196721, 252927, 309133, 590163, 927399, 1770489, 2163931, 2782197, 6491793, 19475379]

約数ペア:

[(1, 19475379), (3, 6491793), (7, 2782197), (9, 2163931), (11, 1770489), (21, 927399), (33, 590163), (63, 309133), (77, 252927), (99, 196721), (157, 124047), (179, 108801), (231, 84309), (471, 41349), (537, 36267), (693, 28103), (1099, 17721), (1253, 15543), (1413, 13783), (1611, 12089), (1727, 11277), (1969, 9891), (3297, 5907), (3759, 5181)]