19828695

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{9649}}^1$

素因数の和:9794

約数の個数: 16

約数和(自身を含む): 31960800

約数和(自身を除く): 12132105

約数列:

[1, 3, 5, 15, 137, 411, 685, 2055, 9649, 28947, 48245, 144735, 1321913, 3965739, 6609565, 19828695]

約数ペア:

[(1, 19828695), (3, 6609565), (5, 3965739), (15, 1321913), (137, 144735), (411, 48245), (685, 28947), (2055, 9649)]