19513356

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{619}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 47496960

約数和(自身を除く): 27983604

約数列:

[1, 2, 3, 4, 6, 12, 37, 71, 74, 111, 142, 148, 213, 222, 284, 426, 444, 619, 852, 1238, 1857, 2476, 2627, 3714, 5254, 7428, 7881, 10508, 15762, 22903, 31524, 43949, 45806, 68709, 87898, 91612, 131847, 137418, 175796, 263694, 274836, 527388, 1626113, 3252226, 4878339, 6504452, 9756678, 19513356]

約数ペア:

[(1, 19513356), (2, 9756678), (3, 6504452), (4, 4878339), (6, 3252226), (12, 1626113), (37, 527388), (71, 274836), (74, 263694), (111, 175796), (142, 137418), (148, 131847), (213, 91612), (222, 87898), (284, 68709), (426, 45806), (444, 43949), (619, 31524), (852, 22903), (1238, 15762), (1857, 10508), (2476, 7881), (2627, 7428), (3714, 5254)]