18640524560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1751929}}^1$

素因数の和:1751968

約数の個数: 80

約数和(自身を含む): 52137436800

約数和(自身を除く): 33496912240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 1751929, 3503858, 7007716, 8759645, 12263503, 14015432, 17519290, 24527006, 28030864, 33286651, 35038580, 49054012, 61317515, 66573302, 70077160, 98108024, 122635030, 133146604, 140154320, 166433255, 196216048, 233006557, 245270060, 266293208, 332866510, 466013114, 490540120, 532586416, 665733020, 932026228, 981080240, 1165032785, 1331466040, 1864052456, 2330065570, 2662932080, 3728104912, 4660131140, 9320262280, 18640524560]

約数ペア:

[(1, 18640524560), (2, 9320262280), (4, 4660131140), (5, 3728104912), (7, 2662932080), (8, 2330065570), (10, 1864052456), (14, 1331466040), (16, 1165032785), (19, 981080240), (20, 932026228), (28, 665733020), (35, 532586416), (38, 490540120), (40, 466013114), (56, 332866510), (70, 266293208), (76, 245270060), (80, 233006557), (95, 196216048), (112, 166433255), (133, 140154320), (140, 133146604), (152, 122635030), (190, 98108024), (266, 70077160), (280, 66573302), (304, 61317515), (380, 49054012), (532, 35038580), (560, 33286651), (665, 28030864), (760, 24527006), (1064, 17519290), (1330, 14015432), (1520, 12263503), (2128, 8759645), (2660, 7007716), (5320, 3503858), (10640, 1751929)]