19703494

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:268

約数の個数: 32

約数和(自身を含む): 32313600

約数和(自身を除く): 12610106

約数列:

[1, 2, 19, 38, 67, 71, 109, 134, 142, 218, 1273, 1349, 2071, 2546, 2698, 4142, 4757, 7303, 7739, 9514, 14606, 15478, 90383, 138757, 147041, 180766, 277514, 294082, 518513, 1037026, 9851747, 19703494]

約数ペア:

[(1, 19703494), (2, 9851747), (19, 1037026), (38, 518513), (67, 294082), (71, 277514), (109, 180766), (134, 147041), (142, 138757), (218, 90383), (1273, 15478), (1349, 14606), (2071, 9514), (2546, 7739), (2698, 7303), (4142, 4757)]