18808110405

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{1993}}^1\times {\mathrm{29959}}^1$

素因数の和:31970

約数の個数: 48

約数和(自身を含む): 37277909760

約数和(自身を除く): 18469799355

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 1993, 5979, 9965, 13951, 17937, 29895, 29959, 41853, 69755, 89685, 89877, 125559, 149795, 209265, 209713, 269631, 449385, 627795, 629139, 1048565, 1348155, 1887417, 3145695, 9437085, 59708287, 179124861, 298541435, 417958009, 537374583, 895624305, 1253874027, 2089790045, 2686872915, 3761622081, 6269370135, 18808110405]

約数ペア:

[(1, 18808110405), (3, 6269370135), (5, 3761622081), (7, 2686872915), (9, 2089790045), (15, 1253874027), (21, 895624305), (35, 537374583), (45, 417958009), (63, 298541435), (105, 179124861), (315, 59708287), (1993, 9437085), (5979, 3145695), (9965, 1887417), (13951, 1348155), (17937, 1048565), (29895, 629139), (29959, 627795), (41853, 449385), (69755, 269631), (89685, 209713), (89877, 209265), (125559, 149795)]