19659951628

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{179}}^1\times {\mathrm{647}}^1$

素因数の和:935

約数の個数: 72

約数和(自身を含む): 36761195520

約数和(自身を除く): 17101243892

約数列:

[1, 2, 4, 31, 37, 62, 74, 124, 148, 179, 358, 647, 716, 1147, 1294, 1369, 2294, 2588, 2738, 4588, 5476, 5549, 6623, 11098, 13246, 20057, 22196, 23939, 26492, 40114, 42439, 47878, 80228, 84878, 95756, 115813, 169756, 205313, 231626, 245051, 410626, 463252, 490102, 742109, 821252, 885743, 980204, 1484218, 1771486, 2968436, 3542972, 3590203, 4285081, 7180406, 7596581, 8570162, 14360812, 15193162, 17140324, 27458033, 30386324, 54916066, 109832132, 132837511, 158547997, 265675022, 317095994, 531350044, 634191988, 4914987907, 9829975814, 19659951628]

約数ペア:

[(1, 19659951628), (2, 9829975814), (4, 4914987907), (31, 634191988), (37, 531350044), (62, 317095994), (74, 265675022), (124, 158547997), (148, 132837511), (179, 109832132), (358, 54916066), (647, 30386324), (716, 27458033), (1147, 17140324), (1294, 15193162), (1369, 14360812), (2294, 8570162), (2588, 7596581), (2738, 7180406), (4588, 4285081), (5476, 3590203), (5549, 3542972), (6623, 2968436), (11098, 1771486), (13246, 1484218), (20057, 980204), (22196, 885743), (23939, 821252), (26492, 742109), (40114, 490102), (42439, 463252), (47878, 410626), (80228, 245051), (84878, 231626), (95756, 205313), (115813, 169756)]