18989152

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6521}}^1$

素因数の和:6551

約数の個数: 48

約数和(自身を含む): 46019232

約数和(自身を除く): 27030080

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 6521, 13042, 26084, 45647, 52168, 84773, 91294, 104336, 169546, 182588, 208672, 339092, 365176, 593411, 678184, 730352, 1186822, 1356368, 1460704, 2373644, 2712736, 4747288, 9494576, 18989152]

約数ペア:

[(1, 18989152), (2, 9494576), (4, 4747288), (7, 2712736), (8, 2373644), (13, 1460704), (14, 1356368), (16, 1186822), (26, 730352), (28, 678184), (32, 593411), (52, 365176), (56, 339092), (91, 208672), (104, 182588), (112, 169546), (182, 104336), (208, 91294), (224, 84773), (364, 52168), (416, 45647), (728, 26084), (1456, 13042), (2912, 6521)]