19388590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149143}}^1$

素因数の和:149163

約数の個数: 16

約数和(自身を含む): 37584288

約数和(自身を除く): 18195698

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149143, 298286, 745715, 1491430, 1938859, 3877718, 9694295, 19388590]

約数ペア:

[(1, 19388590), (2, 9694295), (5, 3877718), (10, 1938859), (13, 1491430), (26, 745715), (65, 298286), (130, 149143)]