19538940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2377}}^1$

素因数の和:2526

約数の個数: 48

約数和(自身を含む): 55131552

約数和(自身を除く): 35592612

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 274, 411, 548, 685, 822, 1370, 1644, 2055, 2377, 2740, 4110, 4754, 7131, 8220, 9508, 11885, 14262, 23770, 28524, 35655, 47540, 71310, 142620, 325649, 651298, 976947, 1302596, 1628245, 1953894, 3256490, 3907788, 4884735, 6512980, 9769470, 19538940]

約数ペア:

[(1, 19538940), (2, 9769470), (3, 6512980), (4, 4884735), (5, 3907788), (6, 3256490), (10, 1953894), (12, 1628245), (15, 1302596), (20, 976947), (30, 651298), (60, 325649), (137, 142620), (274, 71310), (411, 47540), (548, 35655), (685, 28524), (822, 23770), (1370, 14262), (1644, 11885), (2055, 9508), (2377, 8220), (2740, 7131), (4110, 4754)]