19486090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149893}}^1$

素因数の和:149913

約数の個数: 16

約数和(自身を含む): 37773288

約数和(自身を除く): 18287198

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149893, 299786, 749465, 1498930, 1948609, 3897218, 9743045, 19486090]

約数ペア:

[(1, 19486090), (2, 9743045), (5, 3897218), (10, 1948609), (13, 1498930), (26, 749465), (65, 299786), (130, 149893)]