19671992

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 43027200

約数和(自身を除く): 23355208

約数列:

[1, 2, 4, 8, 17, 19, 23, 34, 38, 46, 68, 76, 92, 136, 152, 184, 323, 331, 391, 437, 646, 662, 782, 874, 1292, 1324, 1564, 1748, 2584, 2648, 3128, 3496, 5627, 6289, 7429, 7613, 11254, 12578, 14858, 15226, 22508, 25156, 29716, 30452, 45016, 50312, 59432, 60904, 106913, 129421, 144647, 213826, 258842, 289294, 427652, 517684, 578588, 855304, 1035368, 1157176, 2458999, 4917998, 9835996, 19671992]

約数ペア:

[(1, 19671992), (2, 9835996), (4, 4917998), (8, 2458999), (17, 1157176), (19, 1035368), (23, 855304), (34, 578588), (38, 517684), (46, 427652), (68, 289294), (76, 258842), (92, 213826), (136, 144647), (152, 129421), (184, 106913), (323, 60904), (331, 59432), (391, 50312), (437, 45016), (646, 30452), (662, 29716), (782, 25156), (874, 22508), (1292, 15226), (1324, 14858), (1564, 12578), (1748, 11254), (2584, 7613), (2648, 7429), (3128, 6289), (3496, 5627)]