19196905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1361}}^1$

素因数の和:1417

約数の個数: 32

約数和(自身を含む): 29288448

約数和(自身を除く): 10091543

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 403, 455, 1085, 1361, 2015, 2821, 6805, 9527, 14105, 17693, 42191, 47635, 88465, 123851, 210955, 295337, 548483, 619255, 1476685, 2742415, 3839381, 19196905]

約数ペア:

[(1, 19196905), (5, 3839381), (7, 2742415), (13, 1476685), (31, 619255), (35, 548483), (65, 295337), (91, 210955), (155, 123851), (217, 88465), (403, 47635), (455, 42191), (1085, 17693), (1361, 14105), (2015, 9527), (2821, 6805)]