2019947919

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 3133194240

約数和(自身を除く): 1113246321

約数列:

[1, 3, 11, 33, 37, 43, 79, 111, 129, 237, 407, 473, 487, 869, 1221, 1419, 1461, 1591, 2607, 2923, 3397, 4773, 5357, 8769, 10191, 16071, 17501, 18019, 20941, 32153, 37367, 38473, 52503, 54057, 62823, 96459, 112101, 115419, 125689, 198209, 230351, 377067, 423203, 594627, 691053, 774817, 1269609, 1382579, 1423501, 1654339, 2324451, 4147737, 4270503, 4963017, 8522987, 15658511, 18197729, 25568961, 46975533, 54593187, 61210543, 183631629, 673315973, 2019947919]

約数ペア:

[(1, 2019947919), (3, 673315973), (11, 183631629), (33, 61210543), (37, 54593187), (43, 46975533), (79, 25568961), (111, 18197729), (129, 15658511), (237, 8522987), (407, 4963017), (473, 4270503), (487, 4147737), (869, 2324451), (1221, 1654339), (1419, 1423501), (1461, 1382579), (1591, 1269609), (2607, 774817), (2923, 691053), (3397, 594627), (4773, 423203), (5357, 377067), (8769, 230351), (10191, 198209), (16071, 125689), (17501, 115419), (18019, 112101), (20941, 96459), (32153, 62823), (37367, 54057), (38473, 52503)]