19779494

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:165

約数の個数: 64

約数和(自身を含む): 38568960

約数和(自身を除く): 18789466

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 53, 61, 106, 122, 133, 161, 266, 322, 371, 427, 437, 742, 854, 874, 1007, 1159, 1219, 1403, 2014, 2318, 2438, 2806, 3059, 3233, 6118, 6466, 7049, 8113, 8533, 9821, 14098, 16226, 17066, 19642, 22631, 23161, 26657, 45262, 46322, 53314, 61427, 74359, 122854, 148718, 162127, 186599, 324254, 373198, 429989, 520513, 859978, 1041026, 1412821, 2825642, 9889747, 19779494]

約数ペア:

[(1, 19779494), (2, 9889747), (7, 2825642), (14, 1412821), (19, 1041026), (23, 859978), (38, 520513), (46, 429989), (53, 373198), (61, 324254), (106, 186599), (122, 162127), (133, 148718), (161, 122854), (266, 74359), (322, 61427), (371, 53314), (427, 46322), (437, 45262), (742, 26657), (854, 23161), (874, 22631), (1007, 19642), (1159, 17066), (1219, 16226), (1403, 14098), (2014, 9821), (2318, 8533), (2438, 8113), (2806, 7049), (3059, 6466), (3233, 6118)]