19759155

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{947}}^1$

素因数の和:1075

約数の個数: 32

約数和(自身を含む): 34401024

約数和(自身を除く): 14641869

約数列:

[1, 3, 5, 13, 15, 39, 65, 107, 195, 321, 535, 947, 1391, 1605, 2841, 4173, 4735, 6955, 12311, 14205, 20865, 36933, 61555, 101329, 184665, 303987, 506645, 1317277, 1519935, 3951831, 6586385, 19759155]

約数ペア:

[(1, 19759155), (3, 6586385), (5, 3951831), (13, 1519935), (15, 1317277), (39, 506645), (65, 303987), (107, 184665), (195, 101329), (321, 61555), (535, 36933), (947, 20865), (1391, 14205), (1605, 12311), (2841, 6955), (4173, 4735)]