19753965

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5701}}^1$

素因数の和:5730

約数の個数: 48

約数和(自身を含む): 42696576

約数和(自身を除く): 22942611

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 3465, 5701, 17103, 28505, 39907, 51309, 62711, 85515, 119721, 188133, 199535, 256545, 313555, 359163, 438977, 564399, 598605, 940665, 1316931, 1795815, 2194885, 2821995, 3950793, 6584655, 19753965]

約数ペア:

[(1, 19753965), (3, 6584655), (5, 3950793), (7, 2821995), (9, 2194885), (11, 1795815), (15, 1316931), (21, 940665), (33, 598605), (35, 564399), (45, 438977), (55, 359163), (63, 313555), (77, 256545), (99, 199535), (105, 188133), (165, 119721), (231, 85515), (315, 62711), (385, 51309), (495, 39907), (693, 28505), (1155, 17103), (3465, 5701)]