19146580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 42456960

約数和(自身を除く): 23310380

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 107, 115, 214, 230, 389, 428, 460, 535, 778, 1070, 1556, 1945, 2140, 2461, 3890, 4922, 7780, 8947, 9844, 12305, 17894, 24610, 35788, 41623, 44735, 49220, 83246, 89470, 166492, 178940, 208115, 416230, 832460, 957329, 1914658, 3829316, 4786645, 9573290, 19146580]

約数ペア:

[(1, 19146580), (2, 9573290), (4, 4786645), (5, 3829316), (10, 1914658), (20, 957329), (23, 832460), (46, 416230), (92, 208115), (107, 178940), (115, 166492), (214, 89470), (230, 83246), (389, 49220), (428, 44735), (460, 41623), (535, 35788), (778, 24610), (1070, 17894), (1556, 12305), (1945, 9844), (2140, 8947), (2461, 7780), (3890, 4922)]