19345755

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 37739520

約数和(自身を除く): 18393765

約数列:

[1, 3, 5, 11, 13, 15, 29, 33, 39, 55, 65, 87, 143, 145, 165, 195, 311, 319, 377, 429, 435, 715, 933, 957, 1131, 1555, 1595, 1885, 2145, 3421, 4043, 4147, 4665, 4785, 5655, 9019, 10263, 12129, 12441, 17105, 20215, 20735, 27057, 44473, 45095, 51315, 60645, 62205, 99209, 117247, 133419, 135285, 222365, 297627, 351741, 496045, 586235, 667095, 1289717, 1488135, 1758705, 3869151, 6448585, 19345755]

約数ペア:

[(1, 19345755), (3, 6448585), (5, 3869151), (11, 1758705), (13, 1488135), (15, 1289717), (29, 667095), (33, 586235), (39, 496045), (55, 351741), (65, 297627), (87, 222365), (143, 135285), (145, 133419), (165, 117247), (195, 99209), (311, 62205), (319, 60645), (377, 51315), (429, 45095), (435, 44473), (715, 27057), (933, 20735), (957, 20215), (1131, 17105), (1555, 12441), (1595, 12129), (1885, 10263), (2145, 9019), (3421, 5655), (4043, 4785), (4147, 4665)]